|

 极限<img class="kfformula" src="data:image/png;base64,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" data-latex="{^{lim}_{x\to \infty }\frac {ln(1+{e}^{x})} {x}}=">_________________
A:0
B:1
C:2
D:3
下列排序正确的是
A:<img class="kfformula" src="data:image/png;base64,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" data-latex="ln(1+x)<x<\frac {x} {1+x}(x>0)">
B:<img class="kfformula" src="data:image/png;base64,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" data-latex="x<ln(1+x)<\frac {x} {1+x}(x>0)">
C:<img class="kfformula" src="data:image/png;base64,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" data-latex="\frac {x} {1+x}<ln(1+x)<x(x>0)">
D:<img class="kfformula" src="data:image/png;base64,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" data-latex="ln(1+x)<\frac {x} {1+x}<x(x>0)">
下列函数为奇函数的是
A:<img class="kfformula" src="data:image/png;base64,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" data-latex="y={cos}^{3}x">
B:<img class="kfformula" src="data:image/png;base64,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" data-latex="y=cosx+sinx">
C:<img class="kfformula" src="data:image/png;base64,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" data-latex="y=\frac {{e}^{x}-1} {{e}^{x}+1}">
D:<img class="kfformula" src="data:image/png;base64,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" data-latex="y={xe}^{x}">
<img class="kfformula" src="data:image/png;base64,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" data-latex="y=\frac {sinx} {x}">的奇偶性 ( )
A:奇函数
B:偶函数
C:非奇非偶函数
D:既是奇函数又是偶函数
若变量<img class="kfformula" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAJ0AAAA%2BCAYAAAAxrhmWAAAEKklEQVR4Xu2bPasWMRCFz/0Bgo1gKfojFGzstdBOwcLC2o/WD7C5ln78AwtFrRTRXjvFRqxV7G0sFOyUkV1478tuMtmdzGb2noWLyOZNTs48STbZnR3wogPODuw4t8fm6AAIHSFwd4DQuVvOBgkdGXB3gNC5W84GCR0ZcHeA0LlbzgYJHRlwd4DQuVvOBgkdGXB3gNC5W84GCV2agasATgE4C%2BABgOtEZr4DhC7t4QsA57oifwG%2BNpyPHE3MebgJmjV0XwEcywlY433OdLqoyjIry6uFX6cB3AZw3Kg%2BXQ8aKmVhYkPdqSLlPICnhoDIkv3cuM4qHa9VKaFLOyvAXQNwAoDMdg8NA2G9XBtKq1vVfofuMYAfAA4B%2BAjgCoBXG7tUAWPzsvSL0NVlu8naBThZNt8A6OG6CWDXcClNdZzQNYlFXVH3B2a0MwAOAHimaFp%2BL0tv7rowUh%2Bhyzm34vv9zvQJgIuO/SR0jma31pTsJuWNw9iMVEsvoavlbMP1ygz3BcDrTmO/SbgB4K6DbkLnYHJrTUjQv3WiPne7V/nvb%2BOjke1%2Bv%2B92y0cBfOjA91zWF4%2BD5RHA4p2hgBgOELoYcVqVSkK3qnDG6AyhixGnVan0gE4%2BgpQ/XnEceAtA/qpcHtBVEc5K4zpA6JaL3UEAJwH8Wk7CYMvvaushdLUdHq9f3tseBvBnOQmDLd%2Bpradl6Fo7sbfWI8GtHuDaAE2pv1XorAM8xZuh31jqKoFuVVlpLUJnGdipsKWSZiz09bt57Q5xVVlphG4vlpqkGQvo5HlOEn2016qy0lqDziKg2kAOldMmzczVWbK0bupcRVYaoRtGNAdV7n4KfDkquVQ400l9pVlp8jWLJBSNXdoBNmcQD/42InS5ZBoLk3JQ5e6nNMgHo98BfCoQOiUrTatRW65AbrpoNOi8kmlygcjdT7k%2B9jyXGkxTstK0GrXl9i102mSa2kkzcwI19DxXYzBpNWrL7Vvo%2Bo7XTqbJBSJ3fyxAR7qPHx5tFdAOppLAazVqy5W0nSzb2vIqYjUm1E6mSWnQ6Ns0XWY2OR752W0g5GxOnumGrqmDSfI6JF83d8nn8dubi9L%2B5NrI3o8GnVcyjRV0slPtD4Jfdq%2B9Uq%2B%2BLAeTFiZtuSxM2gItQpea7cSgmsk0uaSZqQGSmU42EGPnczUGk1artpyWqWy5VqHTLrPZDhoWmBMcgU1mOnmmk3%2B3rxqDKac3N8AMrdtbVcvQVev0AhXLYbCkHN7rnu08JOSg89Aw2Aah87FeZrhbAC77NPe/Fa%2Bk8eIuEbpiyyb/QGa77aOSyZVF/iGhixy9oNoJXdDARZZN6CJHL6h2Qhc0cJFlE7rI0QuqndAFDVxk2YQucvSCaid0QQMXWTahixy9oNoJXdDARZZN6CJHL6h2Qhc0cJFl/wNXY9A/A9MeHAAAAABJRU5ErkJggg==" data-latex="\frac {{x}^{2}-1} {(x-1)\sqrt {{x}^{2}%2B1}}">为无穷小量,则x的变化趋势是_____________
A:<img class="kfformula" src="data:image/png;base64,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" data-latex="(x\to 0)">
B:<img class="kfformula" src="data:image/png;base64,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" data-latex="(x\to 1)">
C:<img class="kfformula" src="data:image/png;base64,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" data-latex="(x\to -1)">
D:<img class="kfformula" src="data:image/png;base64,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" data-latex="(x\to \infty )">
<img class="kfformula" src="data:image/png;base64,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" data-latex="f(x)={x}^{2},则f'[f(x)]=">
A:<img class="kfformula" src="data:image/png;base64,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" data-latex="2{x}^{3}">
B:<img class="kfformula" src="data:image/png;base64,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" data-latex="4{x}^{3}">
C:4x
D:2x
函数<img class="kfformula" src="data:image/png;base64,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" data-latex="y={x}^{2}+2x-3">的单调减少区间是( )
A:<img class="kfformula" src="data:image/png;base64,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" data-latex="(-1,+\infty )">
B: (-1,0)
C:<img class="kfformula" src="data:image/png;base64,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" data-latex="(0,+\infty )">
D:<img class="kfformula" src="data:image/png;base64,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" data-latex="(-\infty ,-1)">
<img class="kfformula" src="data:image/png;base64,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" data-latex="\int {\frac {xdx} {\sqrt {x-3}}}">=( )
A:<img class="kfformula" src="data:image/png;base64,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" data-latex="\frac {2} {3}(x+6)\sqrt {x-3}+c">
B:<img class="kfformula" src="data:image/png;base64,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" data-latex="\frac {2} {3}(x+6)+c">
C:<img class="kfformula" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAALUAAAA1CAYAAAAH46pxAAAGoUlEQVR4Xu2bS+i3QxTHv++WlQVlRVhZSEouIWEj9xUilEsWcokVuaTIgrCTSyHCCiEbdwrZyBqxxMbCZUmfeqbGNPPM5ffM/J7/40z9et/+zzwzc77ne86cOXOeQ7JmCGwMgUMbk8fEMQRkpDYSbA4BI/XmVGoCGamNA5tDwEi9OZWaQEZq48DmEDBSb06lJpCR2jiwOQSM1JtTqQlkpDYObA4BI/XmVGoC7YPUr0g6QdJpkr6WdLqpwRBYEoHRpH5S0geS3puE+EfSq5KuXVIoG+v/jcBoUuOlfQLfIekpabYG5SxJF0q6byOqekTS+5K+aJTnMUl/N767ltc+lfRJr8WMJjWe+U5JT3sC8bfUOiD03ZKu6AXAHsZ1Mj3RSOxvJb21h3UvOSWE3gyp8cw+oXOeGs/+rqTXl0R0BWNdJenihrDrZEk3TI5hBWKscwmjPXWIAl6a8OOuCDw3Torfkpf2xXxzMtgXKqjx0OThunm5irWstus+Sc2h8diZ0AKlv3EAvfRFkq6eNP6XpMMkPRMJNfDWV1aGVpD53NWyaSUL2xepCTsgdMxDAw1x50uSjl8JTqXLuFfSpZLu8UiMLLcmQo0fJF1fEVsTS19eupg99UO3R0k6cjLow6fdxQ87uy5tH6QOCY3HCmNm+pzaEHN2BSszOHK8JunsgKScC65JHIZ59k1wzkhNA5lxBIRra23o7ZdAn+xcnIuek3TLiIWPJjUCcvHiWy3e7dFA2Bpl98CJXPoFlQPjdYmPQ1mQ78SEgdYYL2R+URLZj7W21L3DV9Nl2xC+DZnE0wBCx1q4DkDAsmsOUUsqmvlrbjo51D4f8dK5NfHezYVzHYR4GmfEOSL0yJsmdU7J7vlc7tofg3j1uukPx0l6Z9oFXFzHVfxHEe+ZW0ctqTnUntR4BiiRlbCDzAfpvIPYkHFYScRoT12qkBJFMxZkcpcYLnbjcuf76SqeMOL8zI1lbE21pHZK44DI7SeNgxLtt8xtaImsjsyEH2HrZdilusr1c3rhRjgMzXLvNj0/yKR+VtLbXh0JAIQxHXHulw0HzlZSfxfZelknBE/l20tIDZnx1D9FtNzLsJsIlVjf0YUh1iJzHnRS+7Gbyz6QI971BrKF1CiEW0JXrOUrCOKmPFUJqVPxdE/D3pVgeOjLJBEWYpCttS7V6xhBauJBfiUNT8SvRNHheBQKkWlYQqYWUv84E1MzHt46lnfPyTp3NQ6pexl2ib5SfdADOkeX5Kn/lPTZKGIvQYBdhE+9W3spwTjEz7TSVBzbNttirLla79izPyJz5A5CqdM/8fDjma2ZMwLkKCliqjFsV3fTor/UjpQay62r9r2WtS3i1ZomzrwEQbnIqEnpzW3xtWus9dT0p6XSgClSk9IjXPIN0Xk4t2bIzEHx9wIhag27YMjFuqCfDyucTvPEoz01cRYKJCPAdsyV8u2ROJRtNZc18IV2eeLQE4TbcylQtaTOechU+MF74OBCCGLPByUd4ZG4Jj+9pGGXYuX6sbvSUqUNw3LVo0kdfiRA7IViw3Xkin0Y5wwPwNhVNAZ0ZuPHBbWkJoz4XNJNkd3FPYsdFMOiLeJnCpZcuMH/+UH2XFvasHPzhc8xqLlzRe557XzJ/qNJXfORAJafsno/hoU050zG4Tz1rh8X1JIagDFQiBUWKEFcWiylF5MRYhNHE3LMlZr2NuxakrGeWDUi4wzNVY8mdfiRQMpTAwShAx4rlrDnvfOmWyq8A7E3Y18yeQvef3mH03YLqZnT1YBz2v9Z0jGSPk6cDVyGIFbkQ30H5J6ryutt2LWkdo6EcgE/rekqLsnhD6mNH01qHyjn2WIxNf1KMgO1wJf2byV16fj0Yw6/RNV/FzI/IOnhmVLT3oZdI4vf150T3N/IU7eUKrTOv5fsB/EygtIoL52zXlfDMfqjW0KGnl4Fxf86U3JK6HHKtOusudS0mXg9X9ynp3bein/nKuIIQ7D0XW8Je+JYMzZGTeg0V1tMWo8Y9baVl5rWyD2s72hS18TUPgitqblhQFZMVCoLcSkHLGuVCIwmdZj9mDsoVoqyue6k8uwD2wa1jiZ1mKeeq4loEMdeMQSWKf6pwZHt9H7vhVSRT82Y1tcQ+A8Coz21wW8IdEfASN0dYptgNAJG6tGI23zdETBSd4fYJhiNgJF6NOI2X3cEjNTdIbYJRiNgpB6NuM3XHQEjdXeIbYLRCBipRyNu83VHwEjdHWKbYDQCRurRiNt83REwUneH2CYYjcC/RhBaRenn0XcAAAAASUVORK5CYII=" data-latex="\frac {2} {3}(x+6)\sqrt {x-3}">
D:<img class="kfformula" src="data:image/png;base64,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" data-latex="(x+6)\sqrt {x-3}+c">
设函数<img class="kfformula" src="data:image/png;base64,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" data-latex="f(x)={x}^{3}-{x}^{2}-1">,则f[f(1)]=_________
A:-1
B:-3
C:0
D:1
函数<img class="kfformula" src="data:image/png;base64,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" data-latex="f(x)={x}^{3}-3x">的极小值为( )
A:0
B:1
C:-2
D:3
<img class="kfformula" src="data:image/png;base64,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" data-latex="y=\sqrt {1-{x}^{2}}">的奇偶性
A:奇函数
B:偶函数
C:非奇非偶函数
D:既是奇函数又是偶函数
当<img class="kfformula" src="data:image/png;base64,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" data-latex="x\to 1">时,1-x是比<img class="kfformula" src="data:image/png;base64,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" data-latex="1-{x}^{2}">( )
A:高阶无穷小
B:低阶无穷小
C:等价无穷小
D:同阶但不等价无穷小
若<img class="kfformula" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAU4AAAA5CAYAAABZA8KkAAAJjUlEQVR4Xu2dO%2BwGwxrGXzVK5HRCTyU4QYFGkBwVQihcSpdQEYmGiqB1KAhB5XZONIiEuERFjShdajX5xb7Jmv/uzszOzH57eTb5F//vm3ln5plnnp1535n5zjE9QkAICAEhkIXAOVmplVgICAEhIARMwikSCAEhIAQyEZBwZgKm5EJACAgBCac4IASEgBDIREDCmQmYkgsBISAEJJzigBAQAkIgEwEJZyZgSi4EhIAQkHCKA0JACAiBTAQknJmAKbkQEAJCQMIpDggBISAEMhGQcGYCpuRCQAgIgaWF82szu9LMHjGzlwT/GQSuMbObzOzJQmyeMbOPzOyLQjtrzC4OTfdKLQ5Ryp55VMTtpYXzDjN7y%2BzMUc%2BHzezFgc%2BLGrexzBD%2BMTO7rUK93dbzOxTPMQ4B29F5VJND4LlnHhUNs6WF8w0zu2tEIBkQbxe1ZtuZweZ/FTEAz1vM7O5tw3Km9lMcIvGReVSbQ47nHnlUNCyWFs4/zey9SrOqooYvnPllM7vAzH43s5/N7Nmg/Ps6kasx2%2BybfrcT41cXbm9KcU%2BY2fVmdmNK4l6ao3IICKZ41IpDlLtHHmXS7p/JTyGcff/mzWZ258AslCXXxZ0vlPTndsJzdbfU7/9/VREC7TPjJ2IWdGlHwP8MzLgh5jsVZ5veKsq9fYUvKpaAn5vZN2aW238IZ%2BgjH%2BLRnjjk/sYpHrXikM8698ajopG/pHBCbpai/TJZWrCUZDD0PycAwIAKZxf8jy/00a7VYb4iMBplpo7/NbMHzexHM/s%2BEDJE5LVOWFtUgTLvXZmv05fbtDeHg0McwsYQj/bEIdo4xaPWHKL8PfGoeJzlkLa0sBe6mUK/TGYFvw4EjPicqHsojP3/xwZRaT1r5vdAxtQuAtp6RUNfJKLy7Yp2MbCkPK97AeYK5xCHsDHEo71wyGd8BFXHeNSaQ/5y2guPisf4ksLJGwsfX7g0Y2DzhEEMfGAsc72OYcSU7xmELIHX%2BlB/6olz/f8jlWwtbEsMqhz88dMx%2B/ZtRTkcHOOQD%2ByQR3vgkC/Tp3jUmkP%2Bcmr5gs/hEGlLeJRb1pn0OaQtLYzZIvsT/whmP3yOn/Oi4HMGFo8LLT6cf/X%2BZxAR9AjtldazZn7qPOTT7JdBO1nKtwrg8HJ5YIYvsSYObosXyZfdS8SF8/6Mto9xCPtDPNoDh2hbjEetOUQd9sSjYm4vLZyU5/4or7wvv4c%2BR2g9Au2Dpv8/9li%2Buc%2BzGJDKBsKBO2Q%2BxU%2BLD%2BueLvMlZvZh95JhNnlhd6jg04FofYhx5eZlmcO1cnmvju7nzBXOIQ65cIbfDXEm5NTaOUTbYjxK4RB2xKMsyo4nXlI4mSF%2B0EVS%2B/s16fQ3Oz9nfzk75d%2BkRWP2KkEz2wwC8VSXm1NSPESPeQhshXtVU0jPjMM3s7tvF3/XD93s7WMzu2Ei0JJSxuwGJ2Zkttk/EcVSi5lwX8hipqb6fIhHW%2BUQOOTwKLV/xaMYwxK/X1I4E6u0m2QeGIoJQ4z0CMz7gY/URcL9wgjKVxMBprEyqCMCPOfhJRjuRx2zwzLvl6AN7n/0HQdz6nCEPCk8inEInMSjimyRcFYEMzDlwoD/dupEVIz07gR38z6QYnb71YmV0Q6Fv5eH141s%2Bn%2Blt1WrZR22bDuFRyn9Kx5VZIGEsyKYganY0UBPnkL6vmmP1Of0XW4ZNVGhvrgRwoeTVPhr52yCr1m/tdtK4dGc/hWPCno%2BZ/AVFHPIrDGHvoOSu7EYfyZP6lFFZnzPnSiqzuyYU15jOwYY8BLO6eGRwqNcDlGieFQgSxLOAvAiWUM/5FhyCMzm5tTtSGGkONYC/Iss61OFNmYv5/tweRjmpS084uE4qik8yuUQpYlHOUwO0oqwBeBNZE1x6Ht2xIWDASl3cCKC%2BAXDDfVTAsWSjGUxm87Dp2VwCN8cp8KmXggSzmn%2BpfIoh0OUKB4VjnsJZyGAI9lTHPqedeoiDvxbXGzip6OG/F1sW/n3hPC2vPxhDD3cA08nzHLnnB5q02PrtJrKo9hlLuJR5f6VcFYGtDOX4tDvl4yPaujoaN8H6NFpZpA%2B40y5uHbMdpuW/x1FRzR/Gpnlhu0mQDS0CZ568921K7ugpBVuQ3ZzeDTVz0fmUZP%2BknA2gTV60iMslaXW0D2dfmclARSEiGUvp4Vu7f7HzusTwkJ%2BrucbWqa3aLlvxHfbHGwYukjZZ0AIoz%2B08fFeW3wZH9sH26IdLWzOiXynBIa8rmMc4vsj86hFX8op3wTVf14BllJEq8g3A68vRil1WUsalp88XHa8lPC3bPsc4SRP6gGBVhwCky3zqEmfasZZH9Y5G9SphZ87TwkSpdSaJf1vK7pOLqXOYZqxzfNzbJ06T65wzuFRbQ6B2R54VL3vtyycBD2IMI9d11YKlt9IE9oZ%2BukP0l7W%2BSl9w3fuzeaUw3KLyzpKf3uJQbeHmRpLzO8a9jGYt%2BSRX4U4xMWhsVeDR7U4RJ33wqNSLTiTf8vCya1IbLOJ/RgZ/jS2%2B5CWi1gf6i4bqXmjErOJT7ooMk56Zo1zxS%2B29zGFBDVspJTTMo3f5NN6mb4Uj1JmnLV4VKv/a9lpyZOT2F5aOGuLGESLXRLM5nJmpf1gQ/%2BC5BrAexAGcf5s48vjGnjUsMGgHQp81eYQdV2CRynCKR7VYM4CNpYUTghfW8T8irWxyGv/rk4XToT2/G5G6D/FANT93zJaAHoVMQOBFhyiGkvwyH/KY0azlWVtCCwpnDERc2x8U3QuVrHf9UEYw%2B0x/VlAyowgt05KXxeBVA5RqnhUF3tZ6yGwpHB6se4wH9vjl9NB2MJnyd9UkMgDPeFVbBLOHLTXk7Ymh2iVeLSevt1ETU4hnGMiNgewmG%2BKAcEt6fwsMY%2B3F18Sl/BKOOegfvo8NTlEa8Sj0/fppmqwpHDGRCwXuJRoKAOCEzc8/J45UXUe/4E3CWcu6qdNX5tDtEY8Om2fbrL0JYUzJmK5ALLtJ7ZEj9mUcMYQWtf3tTlE68SjdfXxJmqzpHCuERBF1dfYK9urk3i0vT4rqvHRhbMIPGUWAkLgmAhIOI/Z72q1EBACBQhIOAvAU1YhIASOiYCE85j9rlYLASFQgICEswA8ZRUCQuCYCEg4j9nvarUQEAIFCEg4C8BTViEgBI6JgITzmP2uVgsBIVCAgISzADxlFQJC4JgISDiP2e9qtRAQAgUISDgLwFNWISAEjomAhPOY/a5WCwEhUICAhLMAPGUVAkLgmAj8BbQdvlhmAl5tAAAAAElFTkSuQmCC" data-latex="{^{lim}_{x\to {{x}_{0}}^{-}}f(x)=A,{^{lim}_{x\to {{x}_{0}}^{%2B}}f(x)=A}}">,则下列说法正确的是__________.
A:<img class="kfformula" src="data:image/png;base64,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" data-latex="f({x}_{0})=A">
B:<img class="kfformula" src="data:image/png;base64,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" data-latex="{^{lim}_{x\to {x}_{0}}f(x)=A}">
C:<img class="kfformula" src="data:image/png;base64,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" data-latex="f(x)">在点<img class="kfformula" src="data:image/png;base64,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" data-latex="{x}_{0}">有定义
D:<img class="kfformula" src="data:image/png;base64,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" data-latex="f(x)">在点<img class="kfformula" src="data:image/png;base64,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" data-latex="{x}_{0}">连续
下列函数在指定的变化过程中,( )是无穷小量。
A:<img class="kfformula" src="data:image/png;base64,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" data-latex="{e}^{\frac {1} {x}},(x\to \infty )">
B:<img class="kfformula" src="data:image/png;base64,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" data-latex="\frac {sinx} {x},(x\to \infty )">
C: ln(1+x),<img class="kfformula" src="data:image/png;base64,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" data-latex="(x\to 1)">
D:<img class="kfformula" src="data:image/png;base64,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" data-latex="\frac {\sqrt {x-1}-1} {x},(x\to 0)">
曲线<img class="kfformula" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAGsAAAAuCAYAAAAvKufTAAAC6ElEQVR4Xu2Zu24VMRCGv9TUUCPyDIiLgCLQca8AgWgClICULogSOgpaLg0CQce9A6pIgHgF4AWoSRv0S7Yw1iY5u1lmPTBbJUdr+z//5/F45swRjxsH5twoDaEELEebIGAFLEcOOJIakRWwHDngSGpEVsBy5IAjqRFZAcuRA46kRmQFLEcO9JN6FDgC/AC2AyeAq8DbftMMezsiq59vj4ELxZBl4BbYtO0CVj9Ya8B14G4xTJ+Z+GiySD8/mn77WgUqIqtpXL/FCdRi5Ky2aZ0FdiWJu4HTVnLjGNya05/S8L1bm2a20QFrNp/yW5Gz+vk16dv1bfCfvWDorD8GbAO+ALcr2/XFdwJXDHEcAC6m9ZSHXqfbniJoB7AH+FBoressHYMqjuctNFsdg6r8TyYQukE96KhNtGtfWCZs4DlwB1gBpPFNqqO+pq7EO+BwoVXv3CzAmIHSmlaw7gGPkin6+3K1djbqRkfEKSJViA55XnXMl+eRjpdVq0gb5knRpfgGfKy6FkN0jDLGCpZaMgKhp8uAfPbrmDTpswGCVR652hRPgXPAs1HcHXkSK1hZdo6gS8DD4rvoODplGOldNmpDadNYezIzUmth6xkyRb6qTVJ+0qOuepOPNayuInKjfGVpmjZMV8601LDhWtawZMj9KlfkfLVervhbF4zSmHxDrXNmndcmBdcCrCnyleqlfUV9pP/Pd9xQ9xcXo0lBaXFrWDoGVcPkH/ByVL03zhWK8M+AenoqjA+lHxFzZOmzJeOab9PNYA0rH2kCtpp+HhcwdTPy1X5T0SO8oDUXErDv6WaqrsVxQP/ryXXhCMuNM4U1rFr1FPXVOM5NMIslLCVrtW7KPloLV/YJbB+2pCUsgSlzU665DqY21LBv8B+NsoRVdqybb+20uAcsYQnQGeBnMkJ9OKs+YIve99ZkCau3uBjwpwMBy9GOCFgBy5EDjqRGZAUsRw44khqRFbAcOeBIakSWI1i/AGFYey+7MFWLAAAAAElFTkSuQmCC" data-latex="y={x}^{3}">的拐点坐标是( )
A:(0,0)
B:(0,1)
C:(1,0)
D:(1,1)
<img class="kfformula" src="data:image/png;base64,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" data-latex="{^{lim}_{x\to 1}({3x}^{2}-2x-1)}=(\, \, \, \, \, \, \, \, )">
A:0
B:1
C:2
D:3
题面见图片<img height="80" alt="" width="372" src="http://file.open.com.cn/ItemDB/11174/711b5348-87dd-40c6-9fec-4b6c3c8199d0/200949172527917.JPG" />
A:A
B:B
C:C
D:D
<img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/singleselect/shuxfxfs/20061001/b40db19a.JPG" />
A:A
B:B
C:C
D:D
设<img class="kfformula" src="data:image/png;base64,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" data-latex="{e}^{x}">为f(x)的一个原函数,则<img class="kfformula" src="data:image/png;base64,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" data-latex="\int {xf(x)dx=}">
A:<img class="kfformula" src="data:image/png;base64,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" data-latex="{e}^{x}(x-1)+C">
B:<img class="kfformula" src="data:image/png;base64,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" data-latex="-{e}^{x}(x+1)+C">
C:<img class="kfformula" src="data:image/png;base64,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" data-latex="{e}^{x}(1-x)+C">
D:<img class="kfformula" src="data:image/png;base64,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" data-latex="{e}^{x}(x+1)+C">
下列两个函数是同一函数的是
A:<img class="kfformula" src="data:image/png;base64,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" data-latex="y=\frac {{x}^{2}+1} {x+1}与y=x-1">
B:<img class="kfformula" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAMAAAAA0CAYAAADc3zcIAAAFtElEQVR4Xu2cT8iVRRTGf4aLwE21kESiqKCFLaJNJRlS7So0IsqsCCsRWqS0Kje16A+EqIs2ahHRP1pkf4w2FS4CjRDcBiWC6KI2bWrRxnhgBud7v/d+M3N933nHO2fggve7c+ed85znmTlz5lxXYc0QaBiBVQ3bbqYbApgAjARNI2ACaNr9ZrwJwDjQNAImgKbdb8abAIwDTSNgAmja/Wa8CcA40DQCJoCm3W/GmwCMA00jYAJo2v1mvAlgNgfOAjeOTBHDf2SAY8ObA/oRugN4DtgdA3Ckz9cDPwJXAxuAf0Z6TvPDmgD6KfA6cNy9piCJBPA98Djw2xQTaOWZJoB+T4v8mwciwcfArcBdwC/A3QnjmgASQBqiiwlgXAHsB34AvnOPuQh8Ajwdcd6dbge4L2MHuAq4HrgwBDFaGcMEsNzTW4GbgAMDkECrf0j2l924MdwlgC8z4n+R/z1gF/CgOz8MMP3FHyLmiMVHYLmFIv6HwOkBjNeKr4P0wWAs/S2GuwRwKuP5fwJ+t3gM+Bb4L+P7zXaNOaJFYIaM/7Xih+RP3QEeBRQ+WQZoZAaaAJYCfI0LUZQCHaNp9dcOsycyuATwJPCMreRjuOHSmCaApfh64isEGrppRdfZQuSOtXkEcANwLjawfb4UgZIC0Ir2MLAG+BV4q+OM1xxBdk7oJBFfdwC6BR6yKfQR+WMrv57pD7TXZewA/uLs2uAsEM7/SsB+SLyTxyolgIeALYDI/TxwpOcgqPDgq8QVMtnAzI5Dxv/+0V3yi4yfrzCvdcDbwHlAB9rbEmz4xvV7F3i/079G7O8FnnXzvNkd2nVWElZr3Z3JTz2LZAIUeV1KCeAQ8BHwM6B/v9gRgJx0DNhbwugZEKWUP+Q6TnbpEiw8CGun6+5+eV5b3nu1w1b4qYQibDVifxTY5+bsfa9s2e/uzkR3Jw8kZMsuF7doOu6yH+AGeNORW2//AE508uMihfooRPKXRv7ZWjHnrcnRyphKNj1DoY92oVkt13Ha1fra0AuPD4Fe6hFAbdhLkF93/Ny9IOzjyFBcXDLO0I6ITdKr/YXOVi1i6QKq9HzC+Yr4OgT/PcOImhwnwgvDN9xcU0onasFeOIbnPC1wnwHbIqFhjFtzfV6acFqNtNp3n3slxP9jOU4ZH936ztPeAV4FUkonasV+1rzmwSP7O6UFcNLNMCwIqyH+V+GbXsoApbZJHecmqQOjdqzbE0onasVe8b6aSjiKt9IC0Ep/uLMF+vi/1Baow65eYa5/nvLnSR3XYUrKvUEN2PcRXPOaLPlRgwBi8f+Qh2CdMxTnKycvEfim+F+f5bRJHRdM1N8baCdQODSr9QmgJPZ98/Ip8W7yoxtu5vglq29pAWgbVqrLV0j61V+pu5JbYHjgVfmDdoMcAUzuuMDLvnAuVgVaA/aqjr0HuMXNX++396TENwZZwyxC53YuLQC/mksE/wJ/uUOxUpXaBks1pTy1Ynrix8qfa3Gcz/frxzVh+yLh1rgG7LUL+R8F6U5FFaxh+lt/e6XkZWhpAXQJvlL+f0wxKPyRCBQOpZQ/V+c4l/lRybTPBOXiNQX2eub9TgRnXCpct7+PAHqv5i9Mc+2Zq39JASiu0+2e3/404SnTn6r3lxBSyh+qc1ymt2vDPnP643UvKQCRPYz1fRpxk7sSH8/K/pEV/qgmSRdKY5U/l7ZppQNwTdjXgkvRm9fw54GT3v459EV6xZyqTxqj/LkaJwO1YV8NNiV3AJH+ieD/uNH1d7fupyQwOvh+AOwYofy5pB0pz6oN+5Q5F+lTUgBFDMp8yKfAU5nfse4LhEDrAtAuMPSPXxaIHotvSusCWHwPm4UrImACMII0jYAJoGn3m/EmAONA0wiYAJp2vxlvAjAONI2ACaBp95vxJgDjQNMImACadr8ZbwIwDjSNgAmgafeb8SYA40DTCPwPIx1IRC7ed1MAAAAASUVORK5CYII=" data-latex="y=\sqrt {{x}^{2}}与y=x">
C:<img class="kfformula" src="data:image/png;base64,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" data-latex="y={3}^{2x}与y={9}^{x}">
D:<img class="kfformula" src="data:image/png;base64,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" data-latex="y=lg{x}^{2}与y=2lgx">
<img class="kfformula" src="data:image/png;base64,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" data-latex="x\to 0">时,无穷小量<img class="kfformula" src="data:image/png;base64,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" data-latex="u=-x+sin{x}^{2}">与无穷小量<img class="kfformula" src="data:image/png;base64,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" data-latex="v=x">的关系是:
A:u是比v高阶无穷小量
B:u是比v低阶无穷小量
C:u与v是同阶非等价无穷小量
D:u与v是等价无穷小量
函数<img class="kfformula" src="data:image/png;base64,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" data-latex="y={x}^{2}-12x+8">在区间(-10,10)内满足()
A:单调上升
B:先单调下降再单调上升
C:先单调上升再单调下降
D:单调下降
<img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/singleselect/shuxfxfs/20061012/5da114cf.JPG" />
A:A
B:B
C:C
D:D
已知f(x)的定义域是[0,3a],则f(x+a)+f(x-a)的定义域是( )
A:[a,3a]
B:[a,2a]
C:[-a,4a]
D:[0,2a]
<img class="kfformula" src="data:image/png;base64,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" data-latex="y=f(x)={x}^{3}+1">的奇偶性。 ( )
A:奇函数
B:偶函数
C:非奇非偶函数
D:既是奇函数又是偶函数
函数<img class="kfformula" src="data:image/png;base64,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" data-latex="y=arcsin\frac {x-1} {5}+\frac {1} {\sqrt {25-{x}^{2}}}">的定义域为( )
A:[-4,5]
B:[-4,5)
C:(-4,5)
D:[4,5)
<img class="kfformula" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAARAAAAA4CAYAAAA1gqf6AAAHcUlEQVR4Xu1dO8xuQxRdt9ZoEIlC0NOIKyERNEJBhZAobig9QkWUVMSj9CgkBBURohGV4t5o6BGdoFFQk8WZmEzmnG9ee87M%2BddJvuL//pk5e6%2B9Z83Mnpn9nYMeISAEhEAhAucK66maEBACQgAiEDmBEBACxQiIQIqhU0UhIAREIPIBISAEihEQgRRDp4pCQAiIQOQDQkAIFCMgAimGThWFgBAQgcgHhIAQKEZABFIMnSoKASEgApEPCAEhUIyACKQYOlUUAkJABGLvAz8CuN7%2BNcVveB/ADQBuAXAJwPnillTxzCEgArEz%2Bb0AXlw65qg4vwbgKwBfLDD8DeADAI/awaKWj4RAb8e%2BuHSopwG8MRmQtwG4B8ALiXJ/AuBjAB8Cw9454uzDJ4unALw%2BsLyJ0A9d7CUAXwL4ZmgpE4XrTSAPrXSo0R2X5PEsgAcScfWLcVTvjXOqmJQtJPOR5U3Va%2BRyzpdePQKJ9HZsjniPrHQokstHg1qecn9eKN/IHZLE7c8ERyfyUdyDOF27kC8J%2BDIAVwC4NTGGRF%2B/7whLxd4Ews70aeFIvpfzXFiMXTL7oMwjE0iIKWXlEuaZvcCe5L1cijPYHPpzjq25xOWg9O4kOkfF3INA/CkzA40PR2YlWwzPmEIu49fYyMUySmdHOU5VI2dtXQZUOaqWEmXt%2B2eq72Zuvm3pyySE1D7FWciDs%2BOdqmwL48YAdkG8sJNtMbw/Qlp3Tq5X36vchrWWsYVtHGFr5pGO5vMAGBB1fSj8O6UlbvE/NnMspCeBcITj7MN/Jx3310hgNcbw4XIgl/FTDBqWoRw3V65VRyeQkDxGjkWV2NCqDgc5Pu7cDMmAy5G/MnYYOYB%2Bm1HeSpfidnsSCAH%2BPRJkIoh8wrMHIaOHAT7%2Bn/EJy0NaLQxsQSA8u3F3sdX/r0gS5iEyP5BKXF9u0DabaCVnI3H%2BbaaVTLQrt/QdVs7OHChTZ3ItBqiW2GS31ZNAHOAhQ/N7xkGuChw5ZHjGIq6uZPxcgCjD24WBLtZlZP665YTnD5UzGV92t8TL1ScsT%2BxjTyu/aCVnrZ5W2Pk4cYD8bLF1aryMA%2BDjiTs3LTFo1lYrR0kRyDF0eHhp6/uQ4WsZP0VOv4zF7CFXhlj5ETvmLHKOht2oPpbkpz0JZI2h3fFp7q64I9UUPgQ2/LuE8ZNA8QqNatzROsEariPKOZpMaz7GWBRjhiUPZ0KtlqGb7%2B9JICVA7F1HBFJngdE6K7UZTaZRfSzJ8iKQbZhGNe5onUAzkKTuFi00qo8laSQCKScQHrrip8XzB4DvMhrKIZDLAdyU0fZWUUs5G4l4spkc7Fra%2BGcA/ISPCOSkyeYtsOdBH7frFEPP5e6I/e/PRlu8qVYbUc4RZYrhyYOKr2gXJtXV5ivHMwMM7o52XyFnFN0T9RHlHEkmbuPyCEPsTI%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%2Bn16fyeY4iawlBWNU5ZV8XA/HfH7MxSebO2ZcuexBIThq4cOaQ6hT%2BDCOW14JBK16v5xObtZzKhUESWVuzWhFkqu6p5WaRM1WfXuVa4bblQ710afae3qNgizRwofIkpieXj7%2BMWSMDN7rGdD9FIFvA5xBkMwMWNDSLnAWqmVYRbhF4exMIWZxPTRq4UI21GEiMDNxyh238FMlmVkMgbNOCIC16xSxyWuhe06ZwC9DrTSAuK1lNGjhfha1dGBr7ey%2B46siDSxem8WNyZj8W0%2BK3OiwIssbh1%2BrOIqeF7jVtCrcBCKQ2DZyvAmMaXL7EdmBYjtnP%2BBMQTIXI7V6/rNtuc%2B21%2BGHp1gRZ4%2BxbdWeR00r/0naF284EUmq4WertkTWtBJtZ5CzRzbKOcBOBWPqX2hYCZwuB3jGQs4WutBUCB0dABHJwA0s9IWCJgAjEEl21LQQOjoAI5OAGlnpCwBIBEYglumpbCBwcARHIwQ0s9YSAJQIiEEt01bYQODgCIpCDG1jqCQFLBEQgluiqbSFwcAREIAc3sNQTApYIiEAs0VXbQuDgCIhADm5gqScELBH4B8fIukgzke5MAAAAAElFTkSuQmCC" data-latex="{^{lim}_{n\to \infty }(\frac {1} {{n}^{2}}%2B\frac {2} {{n}^{2}}%2B...%2B\frac {n} {{n}^{2}})}=">
A:<img class="kfformula" src="data:image/png;base64,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" data-latex="{^{lim}_{n\to \infty }\frac {1} {{n}^{2}}+}{^{lim}_{n\to \infty }\frac {2} {{n}^{2}}+...+}{^{lim}_{n\to \infty }\frac {n} {{n}^{2}}}=0+0+...+0=0">
B:<img class="kfformula" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAANwAAAA4CAYAAACWj5YVAAAGfUlEQVR4Xu1dPcgtNRA9r9bCRuR1onaC2vkEC8FSBa1UFCwEsXpqqwg22vpTiWghKGql+NMpWFj4SgU7FTsRW62VAxkIebs3s5vN3Oy3Z6vv3ptMJidzZpJJst8l6BECQiAMgUthLakhISAEIMLJCIRAIAIiXCDYakoIiHCyASEQiIAIFwi2mhICIpxsQAgEIiDCBYKtpoSACCcbEAKBCIhwgWCrKSEgwskGhEAgAiJcINhqSgiIcMts4DcAty+rcrL0RwDuAHAvgGsArmwoW6IGRECE8w3KQwBeTcTYCrM3AXwL4Jukwn8APgbwtE8lldojAlsZj7fvPyajfRHA295KA5T7HMBnAD4B3OdP2ddTEYvRLSfXCwDecsivyW2Fq7f8Vv12XT+acE/MGK3X2M4NNqOQF7NaWf5eOp5aHfbfU6YFp97yW3TbfV2v8WzVUXr1p2aMlmT8dKuGOslZYoy1snQyeZT3Op2a3Nau1+RTz1uTs6DDuAHAzQDu0xq0Dn004TiYXwB4rK7akCVqxpgrvaSsRS5OKV+q9Hyp3KVA1uTblLMcy1q9pXpcyPLnIFw+jWIy4smJqHfKi3IddS6vusSolpRlAoVRw+OIlshdY7Q1+RaZ83Icx68XTLfX6HUh6kQSbmpQLHFQDvIpL5pHgZpxbD1Ic+29DOB1R2NTqX9zLlORrUWuQx2slW/1zH7Kz562D1kmknD04oxueZs0tr8mEilTXrRMGJzDqy4huKdsSTbPOtYjt8WYPfLpEPlYFpb7kx8A+Hdn2ecWnFbVjSQcB+XviYU1oxyfcv+p9JplUoG/P7vxRnQNRI8xmoxaWToMbnrniRP26Y3GNRwd2x9Jbv43xZafp5qq6W2O75VMV6tD+bU1aA3jC/17JOE4KByk0gvye67jbimMr/Si3Au7fCavSl2YibstnQj51bFBXTNc/j711MbEI9c20Fk230wvP7cQLteTzvTLhE10ppmO+GoaG/bnuzRjYsSdejiLeBzAXSkA/APgq6jIXBvcLb2NGUq54Xvq+9KL7smr1oixFttecr2Rea3ePerZ0Tgm0kgcOm1bS5N4rwH4IWv4PQAPpsicE5KkvRPAcz2UzGVGEm7OC5rXJWh2zMmmLbl+paGd06t6xsUzPfTIKcv0kmvt9JLPyMI1/JqH0bOcanM58fBEZvd+AB+miPc7gGcS6ThD4jOXCSZRWX4uMq7R+7o6kYTbRGEJEQIJAUa3d4sIZuDkpOO+7/dp2mnkmwOREbBrlBPhZL97RaBGDstiW/+YJ6itLxnluGzp9ohw89DeBOCebsgfQzAjS6+nRji2a5lt/u05MO+R2dQfEa4JPlU+IwIecthheVOTa748T1Cq75HZ1GURrgk+VV6AwNZJkzLbXapi67h3ADySspN5EmWq/POO7Z4FXb6+qAjXBN8wlTl1egDAo+lO3RE2n5ml5L7o3Jorz0rOZS7zAWR5ngdVlnIYsx5XERqLpbt779ONhAKngL8Um9YkIrc2uA+XZxxJOu7LcR+OD4nKY4U3poMXnsMMzX1XhGuGcAgBOcmORDhLjHDKSOLwNNDP6Xb+XEaShGTG0ojHaSannSFvINg74ejZ368shIdgRJAS3kusQeqomRKBvROOh2Xp1fTiHWDu9RWy+oEQiCRcr6v5nELNpXvtpUUGeXn5lVMJ3mD4Mx2q3itxLQPI6zLlqxsGMjepEkm4Xlfz7URBfrCZI2tv2rK5PD8zi0fScYHMjFROVMq523E9JtpqPI6qvHkQOa7ReOy6vciBWXI1v4xMXpDzCDZ1CJcHnplK5jMVFXsd3PXqP1Wul6Nq0Ul1VyIQSTiq2ONqvt2H4p2o/BTBHHksGkz1fUTCLXFUK81A1aIQiCZcj6v5c2u4KfLkB1qZDi5fWz4i4Xo5qigbUzsZAtGEs1vfdrep9Wr+qSwlyfNTFvWMbJxK8tUGfBlR/so+Jh7424iJkx6OSkQ4AwLnINyWV/O5JiunkjmMPG/HV+rx1QzcPsjLlgdbR/5nGls7qjOYmpokAtGEE+rrENjbbfd1vTxALRHuAIOsLo6DgAg3zlhIkwMgIMIdYJDVxXEQEOHGGQtpcgAERLgDDLK6OA4CItw4YyFNDoCACHeAQVYXx0FAhBtnLKTJARAQ4Q4wyOriOAiIcOOMhTQ5AAIi3AEGWV0cBwERbpyxkCYHQECEO8Agq4vjIPA/kvNiSJZufx4AAAAASUVORK5CYII=" data-latex="{^{lim}_{n\to \infty }\frac {1+2+...+n} {{n}^{2}}}=\infty ">
C:<img class="kfformula" src="data:image/png;base64,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" data-latex="{^{lim}_{n\to \infty }\frac {\frac {(1+n)n} {2}} {{n}^{2}}}=\frac {1} {2}">
D:极限不存在
<img class="kfformula" src="data:image/png;base64,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" data-latex="{^{lim}_{x\to 0}cosx=(\, \, )}">
A:0
B:1
C:2
D:3
函数<img class="kfformula" src="data:image/png;base64,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" data-latex="f(x)=xsin\frac {1} {x}">在点x=0 处( )。
A:有定义且有极限
B:无定义但有极限
C:有定义但无极限
D:无定义且无极限
<img class="kfformula" src="data:image/png;base64,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" data-latex="{({e}^{{-x}^{2}})}^{''}=">________
A:<img class="kfformula" src="data:image/png;base64,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" data-latex="{e}^{{-x}^{2}}">
B:<img class="kfformula" src="data:image/png;base64,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" data-latex="{-(2x)}^{2}{e}^{{-x}^{2}}">
C:<img class="kfformula" src="data:image/png;base64,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" data-latex="4{x}^{2}{e}^{{-x}^{2}}">
D:<img class="kfformula" src="data:image/png;base64,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" data-latex="(-2+4{x}^{2}){e}^{{-x}^{2}}">
设函数y=x,则<img class="kfformula" src="data:image/png;base64,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" data-latex="y'=(\, \, \, \, \, \, )">
A:1
B:x
C:-1
D:-2
设函数<img class="kfformula" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAJAAAAAxCAYAAAA1BiDzAAAE/klEQVR4Xu2bPcwOWRTH/1qJklpQbyc%2BYhVLs0FiK4RQCCU2VGQTDRVByyoIQSW%2BomEjItkV3dZLlEK5We3KjzlxXfPMe2fuzJ153pwp32fO/Tjnd8/933PnXSJ/3AMZHliSYeum7gE5QA5BlgccoCz3ubED5AxkecABynKfGztAzkCWBxygLPe5sQPkDGR5wAHKcp8bO0DOQJYHHKAs97mxA%2BQMZHlgngDaJOlnSaeyZvzF%2BIykx5Je9NDW0E3ckLRG0jpJLyWtH7rDNu3PC0DAc1zSL20m1/CutXd%2B4hBdkPRE0qNqLv9LuilpX09%2ByG5mXgBiFT6UdDt7xl8b2C1p%2B5SCUTM35h3CclTSRWk6l%2BBTAeiypOWSPkh6K%2Bls4MyDVaD7yj5hnO5WYF7tEcw%2BmyLjHJN0KWiUv00lbpMYCHqEbLBaEgHdGTmIv93pOftYPOh3V49bY5/w0BYZJ4SnLgORpVh4LMBXko5Iui/p174HU9feFEhmRV2RdFjSa0l/BwFFq1yr4BrKH/R5YOJayOaOr9jCDA7guVVpJH7j4ZDBoiwS2yKdNESeDIAD4jRtJqy4tQPrFILAyg1X%2BlCw5rSLoF4ZZUv%2BZjAZQOi6ZQNl7O/GPzZArJSTlcaxk0Y4yBLBLQFpDji2lQHPrG3JtrbiJ7SxAarTPKGz/6q2tyFFLiL90NTqK4ETgCOEh6wdn0bNj3tKZR4b39gAAQjPrOJY6okDrbS/amuVpAfVloTzV1RFuD%2Bi010Iamo/uZkktt8miaDzfJS0NCpX8DtFxHB7JWPbKZX5/VPZ0IbFM3yn7zF/094YAOGU36pRUF3locLKg0AMV1dqYFmBVhSkfWpG6Cqcy9ZIMW5Lg7BM7afPYBBksh%2BnpnD7ZlHZgjJdE/drceP3N9WPHD7Qcjz/ldJ0YwBkzjABzakhrPu0zQzUkO5FQYgrtpy0/mwQ47MAYoyA2OXhKD1rXsCD/qvbckKAuvRb1GZMgJqcaE5IyQwARAkgBrONHkjpp6/AWIasE7xTr0t954MxAeKEtXeBekWXwNrJrs3cuvTTFSiAR7SHgLOVsZ2j307PSU3q8/zbOLmrw2bZLSSgsetS5EPv8GxNHDAC/FzBUxjzBhaKp/agAd9F23Di8Md9bUyAUm6WgYFCY5tjPO026arY46x%2BskEqcLkRY3xPC/aXO95G%2B7EAShHQDJx0zz1P6jdAwPB7TWEy1kmhU9jyuEcKdVSop/oW0eHVzaDBLdH4WAClCGjmv5CoREdtCO7K6nQVonVjA4RDXtbWxZCs%2Bm/DBa7Vduoq8yWYaNXHWAClCGibCDqIm/q6h9VsX%2BmhZTZXx2PugwhAyodoTe23cmbiy5Ylf4zEshUV%2B/7uKXFY3V4bC6AUAW0zYvuJvxGy38hkP1UQUVBDK7GCdwQFtusNpxrsuSao2766eTTNKh4jVszx%2BTydwBj0WAC10QFDnpIA%2BcS8BS2N0TJvjQGQCeg2hT6700oV0yneQzy/L1XyTxnQPL5TCiCE6g%2BVliFw3Eu1/e8CtjIuRPv4LhqI2fpKb13zyMgkjvFh7QPRSibpAkLTcbxNcPpqp02fi/LdUhnIxCr1lme%2BbSwelkoBtHg85jP5xgMOkAOR5QEHKMt9buwAOQNZHnCAstznxg6QM5DlAQcoy31u7AA5A1kecICy3OfGDpAzkOUBByjLfW78CQTe6jKzb9QUAAAAAElFTkSuQmCC" data-latex="f(x)={e}^{2x}">,则不定积分<img class="kfformula" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAMEAAAA8CAYAAADfTt5bAAAHy0lEQVR4Xu2dOcyvQxTGn9tKJBRER1BfFGKJ9V6N2CuEWGIpLaFyIyioCFpLLCGo7NFYQ4IoLLW1REGjJr9kzpcxed//OzPv%2BmXO20i%2BO3Nm5pnzzJxn5szfAfnnCDSOwIHGx%2B/DdwTkJHAnaB4BJ0HzLuAAOAncB5pHwEnQvAs4AE4C94HmEXASNO8CDoCTwH2geQScBM27gAPgJHAfaB6BrZLgFkn3SPpO0sOSfm1%2BphyA2RDYIgmulvSipNMlvSDp%2B0CI2UBww20jsEUSsPp/KumpsBNACHYF/xyBWRDYGglY/b%2BVdEYgwCyDdqOOQIzA1kjA6o8eOManyRFYCoGtkQABTDiELvDPEVgEgS2R4CRJv0h6JJwIzQnAeZIulXRkZCOPSvpA0hcj7eyX6lPh1jfeVfDcEgkIgzgNujgI47kcg4m8T9I1EzRgtp5ogAhT4tYH/Sp4bokEnALdLOlYSX9P4KB9Jl6R9J6k13sK8O9/SjpO0jeS7pL0jqR7e8pfJ%2BlySTfO2OctmB7Cbao%2BLo7nlkhgF2KERbXfM8F5cWLsPZYYui04bN8uwES/Jul9Sf%2BGuoRMbNO7sHozEOv5zI7fLel6SWdJ%2BlnSKZn11io2hNvU/SrFc1T7WyGB6YHPJF1UOSIclVUEhwJExHU6Pv7%2Bxo5d4MloxTcSsMofvaMO3aXdaytCrJ8k/VBRrxKi6mpDuFUb3rG71uBZ1Y%2BtkMD0wBhRjNM%2BK%2BlOSV3ORbz5Uuaqy0rNce2rBWEObRLO5Ypk%2BvN52K3GCvSqyc%2BsVIJbpsmsYqV4ZhntKrQVEpgeuDWkTJQOiJWYMIab5ad7KuPYZ2Y6te0khCx92iFthlAKDdHXflreiFbSRikuU5QvwW2K9sxGKZ7VbW%2BFBNwNnDbipphQ6IEQ7xPPd305oDLhP4b4HhuGD7ZTfdHl1Lkkoy79uWFAa1RP7IQVc3CbsLk9U4uRbwsk4Hb4rzD02v70aYB4cr4K4dIu8UpIhVDlI1ZnZef7J2OFRzzeIensTI9gu%2Bde5JLM8msVy8Ftjr6V4lndh1qnq26woyJC%2BJOQLUruUM3HRPHtckAcfO7x9rXBqnZFINhRIXTjmJbdpU8PEIvfFMZ1sqR3AxGxdXw4Wfo4Y4eqwTOuswRufX1cpO25nSJnAngv8FAQrQjk3O8ySQ%2BGwhw18n0d/ouoTWP5JQDtaoNw4oRoxce5Hw9OvEsPsLvZJRxjhTRoHsI1Qr4PJR1ekdi58zSm3BJzNvvKmAPAW5KuGpEuYaKYFXVX3L4EoGkbaAn0yvnJqdGQHuC%2B4%2B3g7IYhtuPTKsKpLzuEPnjUpp5zKZhiuARuze8EXGqdOCJdwhxt6JRlicmM27Aj0K5j1qHwDRJw1GufEX1ojDmLTmmZJXBrmgSxKK5NlxhaVeOVtCv846KuJAzDHke6XU8%2BY4exE6sux43vNHKc0mytEb46CXJmaEQZE8W/SapNlxhaVa17c1%2B%2BWKxv4px%2BoVVSx%2BXU4zlJt0vKTbMg/udb4yRpbtz63CfFc4Sb7a66xsoS98hEMfFv7RuCNFbuGzGOxIVaruOVgo5zs%2Bqbo9IvhHp6YkWow1FqCfbYGtI8pf3NLT83bn39SPHM7W9xuZKJKDaeUcFuisnQ5ESn9MsVxdjF%2BUisy0lRIMQ6NazkXY7c1U9CFjJPLZbvC3ninSsnP992DnKY4ovAVDdYn6YWxiW4lc7frvIpnlPa/p%2BttUlgN8W1bwhyRTGDzk1yI4mO1c8cLnenSZPMCCM%2BSgSuHXVajhNn/r8nx7kQ8Jwox6lL82Dn3ExCj3WeXNzGtpPWXyxpb20SWKZmbT9yRbEBjGMOpS1jM34bYDk%2BQ31MbUPQK6NwyFZ9/m4kSNuin3EYRZ0LwjGr7QRLPG5JHTIHt6lJsFibQxM79cBie/bLEmPSp3NFsbXL1t71ziDuF06YJuINnZDg2Aj7%2BFjTQjBCJMIwC8VYWRHFpGdw45te6mHrUNATlEHDxDfO2H25IFt1ijnMwW2KdsxGH55TtrFna00SWPo0WZe1lzulR405Jw44XJwJmrMTQMb7F3bMWRyix2gOblP2Z1E81ySBnQzxyotb49Kv9gLJcm9yBLKFJ4j2vueVCLg/MhLsSse3tfKluNX2f3E81yQBvzJ3YeGbYsTSwRDXAxa5M7lZm/GksL13hSLpxCGSCXP6nmNCREKXNAyqdYCt18vFrXYcq%2BC5JgmIzXlQX5I5SvjDiQtn8QgnVvPcRy/pxPQdMVo5Vj4I0LcDWMzfCgFiXTXXmIfmpJZcO%2ButRQJLl%2BC5Y0nKggkmxCY7Se4rrlLwUgKwQtWSrbRtL78wAmuRwNIlap9TzgkTZ/BclMUEy3lZNmef3PaMCKxFAhPFtUlzM0Ky91MraRtrYTXnWN12Yf7KlIARyhASleiBKdt3W47AHgJrrW4I3Np8IZ8%2BR2BSBJYiARmiiE00AKs/R51bDIUmBdeN7Q8EliIBGoBbYQQxF0%2BEQ/zNP0dgdQSWIgHn7Tg/PzHC/4WGnWHOH91dHVjvwP5BYCkSGCKEQqRP%2B%2BcIbAaBpUmwmYF7RxwBQ8BJ4L7QPAJOguZdwAFwErgPNI%2BAk6B5F3AAnATuA80j4CRo3gUcACeB%2B0DzCDgJmncBB8BJ4D7QPAL/AWlHjkwuurRVAAAAAElFTkSuQmCC" data-latex="\int {f(\frac {x} {2})}dx=(\, \, \, \, )">
A:<img class="kfformula" src="data:image/png;base64,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" data-latex="2{e}^{x}+C">
B:<img class="kfformula" src="data:image/png;base64,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" data-latex="{e}^{x}+C">
C:<img class="kfformula" src="data:image/png;base64,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" data-latex="2{e}^{2x}+C">
D:<img class="kfformula" src="data:image/png;base64,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" data-latex="{e}^{2x}+C">
极限<img class="kfformula" src="data:image/png;base64,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" data-latex="{^{lim}_{x\to 0}\frac {{x}^{2}sin\frac {1} {x}} {sinx}}=">_____________
A:1
B:2
C:0
D:不存在
曲线<img class="kfformula" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAGwAAAAwCAYAAAD0Kp9BAAADbElEQVR4Xu2avc8NQRSHn7fWqBQ0QqPU+QgiiAZBhRCR+GhJNEKjoZPQ+khECN3rs0MUEkTjD0D0Gg0t+SUz7J137+7de+ee3YkzySb33nd35szvmXPmnNl3AW9FKbBQlLVuLA6ssEXgwBxYYQoUZq57mAMrTIHCzHUPc2CFKVCYue5hDqwwBQoz1z3MgRWmwFJz1wPPgVVTzmSuTjDXzqeccN+PnQO+AY/7NqRufAe2VBWBOgH8cGBDVKAe2IGhmuoeNkpmO6DrsgMbqgKjdgnUm3AN0mL3sFEsgiUPG2xzYP/QLAfuAoPdv2SqJbDDwF5gGfARuJos44vAauBMT8tboDT+9Z7Gn2hYK2B7gP0Bxkngds1i+R1qn4MTWZ7/JoGSh32q6XoLcDz8vgZ4BtwAzgIrgA3A65pFmN1KK2A3gXvAW0CfTyfABFSnC5csJj1Gxab9axG4FuyPtqrA/gy8AF4COy0ilhWwKwGGtPoCvAOOVYRTONQ9CpkSoNoUSiXONO3phAtAoVAZogrmtGmBPUnsUjR4UJlD3Zymsbf1GStg0ZC4Ok8BdyrWaQVrD7G2J5oQQSkk1gGr7qtaQA+BI8CjVoUz32AtkLxI3pSO2/f+JVDyMJ0htrVxc2h7LsvfrYG9D1ZvrFg/9P0rFVr7ldquLAQ6dmINTJ50K0nd4/5lFWJUGOsVSkzf9VkhcdJ9UnPoLTkaArC2/Stn0iFYgiNIutS6vE6JJUmaHCkxMakfrYEpJCoVjhli9K5XxiFGr1AiqKZ0/j6wCVgb4Or70ZqSZHMlC+4Y5Lrdbg0seoug/QK+hyREpx4KM1ZNsPS+S8lGEzCFvw+A9lwVz9uS8kO/nQfMin1rYCmQpvprnvBi3SVgTa9TZN+OAO1rKEV0urEP0He1eCAwT3v/9m0JTHFepwExvMiIPtN5eZaOocYdR5kA6DqIJTDBqe5VsZ7ZGo58uto+6/0CtRLYPWtHls9bAtOGHZONXk8LgsDKFtcBFywFn3UsS2CCdAj4GYzW8U56bjjrfLo8r/dfgjbo1ynphCyBdRHT6l5BG+R/R40T4H8HZrUwso3jwLJJadORA7PROdsoDiyblDYdOTAbnbON4sCySWnTkQOz0TnbKA4sm5Q2HTkwG52zjeLAsklp05EDs9E52yh/AJoxjTFPnGiEAAAAAElFTkSuQmCC" data-latex="y=\sqrt {x}">在(4,2)处的切线方程为( )
A:<img class="kfformula" src="data:image/png;base64,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" data-latex="y-2=\frac {1} {4}(x-4)">
B:<img class="kfformula" src="data:image/png;base64,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" data-latex="y-2=\frac {1} {8}(x-4)">
C:<img class="kfformula" src="data:image/png;base64,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" data-latex="y-2=-\frac {1} {4}(x-4)">
D:<img class="kfformula" src="data:image/png;base64,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" data-latex="y-2=2(x-4)">
<img class="kfformula" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAALcAAAA8CAYAAAAkGSuEAAAG3klEQVR4Xu2dua9HQxTHv1qJhILoCH8ACrHETiP2CiGWWEpLqChQUBG0llhCUNmjsZMgCktt7SwFidCSD3Nkcv3e73dnu3feOFO%2Bd2funO9855zvnDP3vQPkzREYFIEDBrXLzXIE5OR2EgyLgJN72KV1w5zczoFhEXByD7u0bpiT2zkwLAJO7mGX1g1zcjsHhkXAyT3s0rphTm7nwLAI9EruayTdIulzSXdL%2Bm7YFXDDmiHQI7kvlvSkpGMlPSHpi0D0ZiD4wGMi0CO58dbvSnooeG6Ijhf35ggkIdAbufHWn0k6LhA7yRh/2BGIEeiN3Hhr9PbBvkyOQCkCvZGbgyOyBN3tzREoQqAnch8p6VtJ94QMSZFh3rkJAqdIOlfSnYmj3yvpDUkfJvYrerwnciNHyI6cGQ6URYYt0PlmSWeEKIOcunWBd675Coh9m6RLMiZhfR9YkuA9kZusyNWSDpH0awaAS3d5MVroP6XhP/x4RtJrkp7PBPoySedLujKzf3K3nshthRrkyX5oMaFTyY3Xv1zSCZK%2BkXR05wZfF4iZ47Vj03AIbJDHl7C3F3Kb3n4vhPolbK/1DoiKLMnB8mtJX2aG%2BlrznzMOpHyhwGvbO/Dely5lb86CzAEj9RnT2/vtMMliPZdJbHToB5LuyzigpeJb8jzzfKpidGFDIz%2BbHy57Ibfp7WtD6b1kMZbqC7GpnJ4oCe/9cOKLzeMjT3J1bOIrsx5nnsdX1Mpo908z8EqefC/kJrd9TIeVSRbiZ0mHhgW5SdIrITOCzo5bKpaMfUWm109e6IIOtclYe7PsaVrqghRgtGdXqpG/hN/2MB%2BbKIuK5HhdkhGZ/C452xrzJDyT1z%2BnBagVx/xY0qMVD4EcTm8IEa/iNP87VI1FKp0gueJ3wu0/7pb00h6MctdGblJZB2XICLzVBSEzcmDYNGQNtulttO5VAYyjJL0aQjljHRYyLW%2BHMVpilpoJmjOXFmP%2B5709kJv72neFQwsHy96aaeNnM3UnEeDwyEND2vsDObfpbTIUVvQ4L6TQ0PhfhWjypqSzK0WRbZi3IGKLMbsk90uSLuq47A7JuOuSc/C7I8iYUyfZgV16%2BxFJLwcS26JBiHiDIWs%2Bmmw4O%2BTmOAjOEkSSaWtBxBZjdkluijdHJJbdS0M2nhCy0v6QhFSYVt/w2HhJfk6zKAdhN5FgCq6l%2BjZ5fHQsjUzLpga5b4x%2BYSnHnA2WQ/S4TwsithizO3LHh8mUsntJyIacHGrIfHBYtAbhYrKxAFQPaRRaSF/Rfp%2BZxuLgybs2EZKxOaTFBN5GQhtrDRnZgogtxuyO3HaY/F7S3LJ7bsjGeJMJmwg3JXepx2M8yutTQrKxHpN0fUIGAn1NWyOzUrvoYmeOvaJWKe7/9l/DE8STt8Mk%2BnLuHe7ckG2Hsk0yoUVZGO/0yQbpwfxJhaVgz1ikIefIoWrkCAOxsUiJ1roPwubGuTTfqCkA1waN8awyyXVR7mfktLkh20gVe22AxruSamOj1SwJ7yU9Yr095360eXrSkLGMmm5ysGtxoOQ9FLJS73DvtZasF0WxuZIshxN/91mb3FaZLLnDPTdkm0xA61rDs/4wIU02mJOOhPO3Joto0cP0NofWHyd5czIpJ0V3OTZlVhjn5IqE22Zz7ahW6xLWznVam9xWHCmZx9yQzXOQrXk4DKij7y%2BMZIl5aX5u5Ia40/vNsZyhz2khnWieu%2BSjgZ2E2OMBNmqta7k1x9pqTwmpcoGyfvale8k115SQnZqhKLWP/oR0QjBh3UI7npDDJJkYKozTS1OQ/6yg13kGrRtXOBn36coSapet2EHKtlTzYxuJg%2BaSZG1ZYtdcuU039%2B%2BSlIRs5MtvW%2B4SW1471rW7Fv3/8vtaGQ6k4e1Lbcw1PbdlSvi6gyrlnFYSss3LT6uFVtAp%2BYRqztz3%2BzN2pyX3YMlB8qeZNYIqWK1Jbv6q1OmJ30yWhuxpeAdEwu37S3mTKqu23iDIk01SateMkGJIrUXkiE1mTXJDKj4E7ukm4K5F8t//c45IJWlOn2Ks1yK3ld35fKnHm4DFwPoA6yOwFrmt7L6fPitbf7V8BkkIrEVuO0ymXJZKMswfdgTWIjeHSaSJ623nYDME1iI3Kb2S%2ByTNAPGBx0FgKXJz4480HBobb839Apck4/CoS0uWIjcamyokB0lu/yFL%2BJk3R6AZAkuRm/sEkJo/ZcB/TcCT74c/dtkMeB%2B4PQJLkdssQZJwzdWbI9AcgaXJ3dwgf4EjYAg4uZ0LwyLg5B52ad0wJ7dzYFgEnNzDLq0b5uR2DgyLgJN72KV1w5zczoFhEXByD7u0bpiT2zkwLAJ/AVwUYEzHcIz3AAAAAElFTkSuQmCC" data-latex="\int {x{e}^{{x}^{2}}}dx=(\, \, )">
A:<img class="kfformula" src="data:image/png;base64,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" data-latex="\frac {1} {2}{e}^{{x}^{2}}">
B:<img class="kfformula" src="data:image/png;base64,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" data-latex="{e}^{{x}^{2}}+c">
C:<img class="kfformula" src="data:image/png;base64,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" data-latex="\frac {1} {2}{e}^{x}+c">
D:<img class="kfformula" src="data:image/png;base64,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" data-latex="\frac {1} {2}{e}^{{x}^{2}}+c">
设<img class="kfformula" src="data:image/png;base64,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" data-latex="I=\int {\frac {{e}^{x}-1} {{e}^{x}+1}}dx">,则I=
A:<img class="kfformula" src="data:image/png;base64,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" data-latex="ln({e}^{x}+1)+C">
B:<img class="kfformula" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAALUAAAAxCAYAAACccuhnAAAF10lEQVR4Xu2bO8w3QxSHf1/rUiI6t0qhEUGCAo24hAohFC5RuYSKRkNF0H1xKQhB5RKiQYGCqKjdCgmhdGnJI3tkrdndmd3Z899v3rPN++bdndvvPHPmnJl5jymeUKAxBY41Np4YTiiggDogaE6BgLo5k8aAAupgoDkFAurmTBoDCqiDgeYUCKibM2kMKKAOBppTIKBuzqQxoIA6GGhOgYC6OZPGgALqYKA5BVqD+jJJ10h6rDlL/X9AT0j6QNJnR2CsRUNsCWqAfljSTUUKnLgf23ifDrD/a8SWoH5V0nuS3jhxOS3u+S2SrpN0e3HJhgt4Qv2ApFslXSzpC0mXVNT1rs64R8VL96V7q5vML1XUc0lVrBxXSLpS0ildBb9L+k3Si5Le7/6Grc7ZMkT0hNqE+kvSC5LuXaLcSBkM+2ZFL43X/1XSaZK+lHS/pHclPVSxz1NVAciFnRNAqylg8dY3HzjsIr5/tLPrOz2AGaOFSej4naTXu3FttqJ6Q40BGNTdM4YqYQfRXpZ0bkmhiW8Bmj7iWZiAPCSeGM5Drw87439coNW3ku48QGyN9k91kx+NpkBF19s6PTfVcdPKE+DYjL68ogEIay6qGFc+0/PIBjVx66kVV4Lc+Uf7OQ4AYPCEz+VWXOE7cyaEEjn25PtPJX0k6eoK7Y9W4Q01Xujsil6VgW1lUCbLs5JeqzhhSm2ZC/WaiY1NlkBGuasKQ4nPO6g33XL1hhojvV05/kOoubizFCa+J06/sdBoS9qZKpMLNcnXPQuTb/QrTdptxS2d8LSFo9gsnkZMT6iv7bJ0ZumTCUvice1hi4rl6j5Jf0o6SdJ5I4Jg+Nxx0Ad2YHis3uE2IF7vm66vfY1IhFL9rg1yv75cqClTokO/jVKoLYygDsIy29XI0YHJsKmX9oYaKBhUSgjefdVLzoCHnYdXerE30F+aCF1yjUkbeDR2MvqGGBqV+sjSeb7uYlV+/8M5ZjVQc2JqT6jNjpvHxjmzJPVNrodbWn+/nC3nqTZtBps3B6phNv98t8QOy+dAbYbASw+XvlJPVUOL3Dr26Kktlh5bcXPHttl3nlCz7fT9SFLCkk/mbsnZgwmvODYp5qC2iZKK//awxztl3D1CbTtCKQexGaglFXtBbXHY3KGL7WWm+jWWZM5BbR6+bwTCEE422Y56fOX2ok3EEt3t27mYdM9Ql7CDYymJvZdo+W+Zko6tacgMPxcfjnlzO7RJLXlzBw+EFwDMhLKHY/qfPYVeKF4u1HYIMraLwSp35kgf7NpC6jXH3MPtPvPUJezgrNzup5R0bKFd/ik25YGtXvPmJInDDNnKpzb5ifE4ARw7SsYIu01qZkTNhZqVh5VoyX5zaU5hTiLnwIXh0bczPHeOvKBGCB7zJKntMfPmqVhtCGZ/a4jwgnsaY1tFW9w1WTPBS8rmQo0e7BYtuU9TCrUl3TmJom3LunlpxPWCGuP0E7UU1GPefHhfBKHu6BlwLtnDk3NTbOwGn+1Lu8V8BVTnQr3mQlcp1HSfkG/uePxg9709obYkEQh/TCRnc/G09RX4jw/KU3bsQhPLH1cfh8ulHcTs+Q52LtRT45+bQ0ugtnsf1J26yITTOj9hp7m+VHnvBbXFfNw8s0OW4QAwYGorz2Jyfp48csWUEOSHibgNb3x971CFuvj+k5U7H1WMMKgEIM6SdEGX4PLaktxUeGHfLwk9qHsJ1NZl2r6hd0f+p+4FjuJg97u9oN7C+P0657L/rds/ZP1A+ciKybkG6kOOe7TtVqBmgHjj0z3uFuzIkiSIv6w8viceb+o/hlqCGtYIQwhxNr0FthOoyU3416mlYcdOhlG/G61BbWAfBUMzgY/COIupbxHqYhGiQFsKBNRt2TNG43j4EmKHAm4KhKd2kzoa8lIgoPZSOtpxUyCgdpM6GvJSIKD2UjracVMgoHaTOhryUiCg9lI62nFTIKB2kzoa8lIgoPZSOtpxUyCgdpM6GvJS4G8oRz5BvBcQmQAAAABJRU5ErkJggg==" data-latex="ln({e}^{x}-1)+C">
C:<img class="kfformula" src="data:image/png;base64,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" data-latex="x-2ln({e}^{x}+1)+C">
D:<img class="kfformula" src="data:image/png;base64,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" data-latex="-x+2ln({e}^{x}+1)+C">
设<img class="kfformula" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAVAAAAAwCAYAAABHayI3AAAJ%2BklEQVR4Xu2dS8h/QxjHv39ZWromJZSFslCuuRQ2QrEQclu4ZIUiQsqGLCiUksuCyCW5ywZZKIQFZSGXSCmULNjY0FfzMKaZM89czsz7Os/Z8O83t%2Bczz/M9c54zZ949sMsIGAEjYASqCOypqmWVjIARMAJGACag5gRGwAgYgUoCJqCV4KyaETACRsAE1HzACBgBI1BJwAS0EpxVMwJGwAiYgJoPGAEjYAQqCZiAVoKzakbACBgBE1DzASNgBIxAJQET0EpwVs0IGAEjYAJqPmAEjIARqCSwmwT0ZABnAbi90la/2l0A3gTwXoe2/o9N9GT9f%2BQzw6Zanz0EwPcLAz4awNcAfk%2BUOQbAJwCeB3AZgD86G9/L12r5NJmzWwSUkG8EcH6Ttf9Wlvbu2yUi%2BifQ/NWYto3erDtN2eabqfVZxs29GXo/ATgVwBeRcge7xcYFid9bJqanr9XyaRl/c1A2de5VfgTAfgB%2BBvAtgLuDhp8C8DqAZ3t1COAiAOcAuLRjm2s1pRW/pf61bazBei0uW2u3xme56DgOwK0RWHsBeAjAxwAeT8CsFdBcTLO73r5Ww6fJh3bCCpRLbxp%2BOICXAJwXrLaudELXa/XpA2N/FOaU8zTB7VhZK36tArom6444Nt1Uqc%2BWCijLvwjgKhcXNQKai2lO4Fq%2BVsqnyZl2goBSHB4FcI3LxXwWPKoTyHOdV58CjcJ9YcfUQNNkLFQeJaBrsl6LzdbaLfXZUED5SL%2BvW5HGVqDMed7i5TtrBDQX05yztXytlE%2BT/8wWUBr7DIAbADwQsYR5jSfc6rTJ0IXKTKBfscNzoSMEdATrteZwa%2B2W%2BGxMQG92Oc8vI4/wrQKai2nO1dq%2BVsKnyXdmCyiX%2Bre5R/Q3IpZcD%2BDYlfOUzMN8lBDwJrgdK48Q0BGsOyLZdFMlPjt6BZqLaU7c2r5WwqfJkWYLaCzn6Rs0AsTak9k0Qa7yCAEdwboHi1FtvAXgzFGdFfZT4rOjBTQX0zR1bV8r4VOI/r/FZwvoB244JySs4O/Mj675kofJ7KsBpMbQBLhT5ZiA8jHoctf%2BYQBec6toOs/%2BAI4H8I63oyEnwiNYd8IxpBny2Kk%2BUeKzowU0F9OcvLV9rYRPkzPNENCzAdzhRs0g5/Wh%2B%2B/9wcuiXNCL8aViEkLT9tME26tcOt7Y%2BHinl32sZMrdBMwlfwWA6RCuoM7wdjTkbMz93sv2VDsU/usA8GbA622XH0/dPOVlATeCc/vbb95NpMdYawV0lB3a%2BRohoCUxzbnRjL00RqbE9AwBFUMl2cwvi8J9n1JGA5plS8VkCmyv09Lxhhy4x%2B4VJ5Q%2Bq6e9fDET6e97/86xzP3eQ5RSbfCR7ggnmBTCAwAwlyZCemfwko/28%2BZAv/EFluJ1lNvR0TreGgEdaYd2vkYIaElMawW0NEamxPRMAeXLIwbJxQtblDROUiMmWtgUea7qaq5XEzeGmvHGBJTbvkLHbWGpYV3DIVcntR9Q3tRyRfqNt1OCgcUrtS%2BYPsXyrWmfUgEdbYd2vnwBDbct9d7GpIlpjYDWxIg2pnP%2BWPT7TAHl3fqSzCeKGich7FIxmQLbdVoz3hwHefO5NJ%2B5NnK/FzlWQWH6wcOJbWS%2BiL4M4F33mJ/bdhYyLhjOP0VLBXS0Hdr5GimgmpjWCuiuiOmZAqpJNmudxA8QjZjMFNCwb814cxyY7%2BS19NY410budxk3H5OZq665%2BOlsuF0tJ3aS35X%2BllbZUoZMWw%2BdKRXQ0XZo58sX0L3di0W%2BNOV3771XoJqY1ghoTYxMiemZAkoH8HN2sYCs2RCrERO/L65yeNjCrDeumvHmgoW/L%2BWSNU5bw7pGRMM6OeFheV%2B0Ux9d%2BO1q2mR5pgMOShjBF5zycjMswjxteLPS9NnLjhKf9b884iZ5fqbJPDFPX6KAHgjgB8/AsEzJl0iamGZXpb6miZEpMT1LQDUvkAiE4PilUkk%2BSyMmPmzmrriqmbXnTzPeJQHl%2BB%2BLfIwQBnROhGtYjxJQ8RfpL7aSrRHQpfH3XoGyr1521PosxfRXAL8sHDByrlulyvF2WgHVxnRNXGtiZEpMzxJQbbKZIsAtKtrHMa2Y%2BLD5uMeToPyci/y%2BxkukcKJLxY95phO9z1tjeSc%2B9p4UcMsJaCnrHuLJNjj%2BpROxJA/6IAAGN9%2B%2B%2By%2BVwnGw/LUdvl4rFdCRdiz5bGpeKITcuXGaW33KOZ9yaMhSPZ6dmzvOThvT7KfE13rHdC%2B//budWQKqTTbnDgaoFRMf4lqHGsQmqna8vvjx//loyZQDxYLnODKgZFWWOmMxJ6A51l0dz2uMAcI37ambpP/WPfVmPpzPHidslQroSDtKfVZynS%2B4/bXCS0T0O%2B%2BxPpxn7QpUG9OyEk8d4lMbI1NiepaAapPNki/hUXexq1ZM/LaYj0m131s0asfrix/v9Kc7EZXtOsytcXXGf/N6MvJW22%2BDNlO0TgnKjWThs%2BWK5PPgPAIKEm3lhnr/6YAiyn2hXInyovD%2BCGAfl4rhhwSyok3ZqZnXUgGVldUadoTjDecpZ6c8usdSYXJ83T2JM0MpslyBpg5clrGVxPRSXNfGyJSYniWghCRH2OWcmcEVO2SZ9WrFRPpk/UM7bbzO2dEy3tzqUdN3uIoV8fE/YlhiremjpYzcBCiETKnwWMOlYwwlDyhCypsHH/P9U71oc8xOzThrBJTtrmGHP96Yz6bsTK08/fakDHOjPHSZK07etI70Ci2tUKVYSUzLzSYW17sqpmcIqCSbNdtRCLrkjaMmMPwyDJKbdvhRdhxvbwHlHPDiSjZc3c3ckVA6f7nyKTtz9fh7rYBq2m4pE/PZmJ1cWXJ/bW7luDQWecTnC1aKauoqjek143poTI8SUOZs%2BM0yH5WZr%2BOqoWTbkByQoX2ZpHFQjoN/CyZ2Dqmm/sgyvQVUHJjBFX5GuwbrkazCviRPnPpcODU2%2BuwafwWhhcWSz9baWTue1phmv719bXhMjxJQCgDvYLyTMV9DISz9%2B0Z8vOTpQqX1Yg7CO2a4%2Bqp1pBH11hBQPip9GtnYTnt6sh7BZ6mPJTtnj62k/5zPjrazR0z39LUcnxLW6rKjBFTyNsxt8XO82lWfZrOyxvhe7Wj66lGmt4DKSTexrVsy3t3GKMZZY2eP%2BRnRxtJ8zLCzV0yLiC75oobvFH8dJaAaAFZmHAE6W%2BxN/bgRjOnJ7BzDebO9mIBudurNcCNgBFoJmIC2ErT6RsAIbJaACehmp94MNwJGoJWACWgrQatvBIzAZgmYgG526s1wI2AEWgmYgLYStPpGwAhsloAJ6Gan3gw3AkaglYAJaCtBq28EjMBmCZiAbnbqzXAjYARaCZiAthK0%2BkbACGyWgAnoZqfeDDcCRqCVgAloK0GrbwSMwGYJ/AWld0FeDhpG1gAAAABJRU5ErkJggg==" data-latex="f(x)=x\left | {x} \right |,(-\infty ,%2B\infty ),则f(x)">
A:在<img class="kfformula" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAANMAAAArCAYAAADixr2tAAAEEklEQVR4Xu2bTcgNURjHf68sbSXZyU5ZWGAhFuyQLIQiCx8phbIQNjZkoXylRBZKoeQjZIMsLCgLKUXJXjYWbKz0r5mM6733nLnvue88U//ZznPOPfOb53+ejzN3Cl8mYAJFCEwVmcWTmIAJYDHZCUygEAGLqRBIT2MCFpN9wAQKEbCYCoH0NCZgMdkHTKAQAYupEEhPYwIWk33ABAoRsJgKgfQ0JmAx2QdMoBCBvolpM/AJ+Fzo+T1NXALLgWPALuB33GX+XVlfxDQXeA1cB270AazXWITAIuAZsLUPG2gfxCSgj4C1wK8ir8iT9InAHOAKcA94EXnh0cWkiPQS2NeHnSnyi+752nrhB9HFdBT44dSu51Ios/zwNVRkMQnefWCp07sy3jhilufA+on/ysx+oE733kXdXCOLyVFpZs7XZvQbYFWbAR3ZbgG2R+3wRRVT3b07GaToPAwcAhZXTqRC+PaIHVIvfBuwDPgO/AQeAxc7csLUz44rptnmomxF3b01EWvoqGKK1BK9BSypxCNRLABON0R1qmrb1w57DVgHnBkQmxxPKev+lGd3cH8cMXXBRX6hjexgkE32n1dlMY323D3ARkDpRfNaDdysItVXYHclqAeV0aB9PVYilH20s7K2YuqKS7SMxWJqsfNr9706EHnq4U1BPQReValgLaxhP6PIFS06tRVTV1wcmVo4b2067g6kVOrCGL+nIYpATwfGphx/A/CkMWYHcCfx+4pOqgUjXW3F1BWXSOn/f+8vapqnhUbo5qWcRutsCvhIRpMhZ85JCE0p6MIhE68E3g65pzpxsG2e8wyT4KL0+XzU45LIYopwSJfjNOrcqbNXX9NFuKafTjennERnarr2dlBTlY5Meo4SXJrcwn+fGVlMEaKTaoOdI8JEXTddAjZVXbxmQ2JwqOwPTDOnovC5yvgscHwSoWnEnG3FNFtcmksOHZW00Ohi6vojR3WtdLY0rMZpdu+GdfiaDiF71VjTdfPq6NSHyDSbXMQv9PlS/YKji0nrlKC081/u6KBOadnHgVpIznSiOutoduYkKJ076ZxJl0T4DZgHqDnxZUSk6/Lr+LaRSc82m1x68TeMPoipFlSXn+GrmFYaJ1HMBz4Ad0d07iQ2iacWlVI/bQjDvoDoOgKPIya9l0lziVA3Z2fcfRFT/UCqLd5HPP3OJv6/YdeRVysaV0wzeOzkUKW9KzqoH5MLG2bQNzGN/aAeOJKAarlhX20YXSYBiykTlM1MIEXAYkoR8n0TyCRgMWWCspkJpAhYTClCvm8CmQQspkxQNjOBFAGLKUXI900gk4DFlAnKZiaQImAxpQj5vglkErCYMkHZzARSBCymFCHfN4FMAhZTJiibmUCKgMWUIuT7JpBJ4A/HGvIs9X3zyQAAAABJRU5ErkJggg==" data-latex="(-\infty ,+\infty )">单调减
B:在<img class="kfformula" src="data:image/png;base64,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" data-latex="(-\infty ,+\infty )">单调增
C:在<img class="kfformula" src="data:image/png;base64,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" data-latex="(-\infty ,0)">单调增,而在<img class="kfformula" src="data:image/png;base64,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" data-latex="(0,+\infty )">单调减
D:在<img class="kfformula" src="data:image/png;base64,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" data-latex="(-\infty ,0)">单调减,而在<img class="kfformula" src="data:image/png;base64,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" data-latex="(0,+\infty )">单调增
设<img class="kfformula" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAK4AAAA4CAYAAABkM8OwAAAFdUlEQVR4Xu2bu88OQRTGn++PoBbUOnGJKNAIEiqEIHFpESqipCJoXRKEoHKPBlFIEJ1Chaip1eSRGZlMdmfP7s5lZ7+zzZf3e2fn3H579pyZeRegl3qgQg8sVKizqqwegIKrEFTpAQW3yrCp0gquMlClBxTcKsOmSiu4ykCVHlBwqwybKq3gKgNVekDBrTJsqrSCqwxU6QEFt8qwqdIKrjJQpQcU3CrDpkoruMpAlR5QcKcbtkcAdjrqTS1WRfWbmjNCGG0AsBXA2QisnQfwEsC7CHOlmmIPgBMA7gO4KhTyAcBa4dixw4boN1bm//trAZfQngKwK5Lldr5LE4f3D/Dv6CkheSCw3Y4XDA0O8bOpHfzYi0Ff/cbqVR24dwE8FwZP6hzCsB3AfukNkcdtA3AEwA8ASwDsM5BSDIEgJCwV+JeX5KGVghuSLTFzqH6SuUVjppJxr5ng/TKBvOBof9gAJgmcyGhnEDMLH4ibfW+MMJ7B54PzAsAZACxfxsZDCm4K2RFcIp9irKPkktpHMmDMfisA2FeUqxf/9zBytrXaUO5uYTaLYaudg7Uosyxt5sU3yjrn81BZEnBTyR6q86D7pgAunX0dwDEA3wB8dkBiLXo7QkBDzqHMg5lrXdp8BcBJo5j/WRJMm6W7xn70GrYYsrtkJv++NLjMeOya2T03dc7HAaxOXIcy233q0bnHCIr7quZ89vPKkXpIMm4q2TH8Ip6jNLgsE5g5bK3nK54DqhwPh2+XC5hb39LeMc2iFFwb95iyxdDFGFga3Kaa1rWL9RjLiJTNE5u/oxnXP2mffVi+APhtygaWDnytS5a92mIvATeV7Bg8iucoDS7B5NW2aC4JhNjYwMBccmLoGppjLnZ0+qkEuFxDPGc0W2P+MtPwYtZxM440EGziDpg5lgN4ZmpFZpelACjnDQB3mc11jlROp0MLD+Crv83GwqrFFV8CXGuBbcy4hTsWKJYcdheMDwbXZtnwfTXrpK8AbA6sk84F3Lh0THi2kuDaxmBvoK6TAMXNiycGUOtq3nfPaXS45PU+0Pi0ybH78UNC+HSxZL8hzhl7T0lw2UG725xNtkjB5Rqwn8lDD4QvSyJnrK8PAVg2dpJK7uc29q2UupYEt6sxo91DNgfsEpvUNtbHFzOvKqSM6aKYWxrcFM7wX+dNMlibcoOiz3IY7+G1Rag0l8OYnaXjhdPqsJQeKAWupDGj3axfefCmzxlcPhChhs/3JzM0zw245UZKn+eam6UYd+K4ouJv++bSIZmcUuBKGjMa3fcQDLPnjYadOD4AbWCGDvHU2pxdBsA3D0+e8ZK83ZJBlmLiUuBKGjNrL+tce4rK94F/qqppXi6PrQ9k7dD8KXyeY05/65jr2VwjLxXv6DaXMkTSmFljmS3ZpTat9TKT2Ncgm6yN5lyrPfvQ9csJZn52+nMrE+gX/+BSjpWT6IC2TVgKXPcoY5exoa6f4G0y8H43TRyzyw4A/MzrTuDIIh+g05mPNHbZG+N7+sA9bacZN4JXbWPWZ53Vbt32adK6VGVT9nPkMcIuGVP5fsh536no3qhHrozLBmiVqVUJDLdf+/4alSUDzxuMOT1lncCHh5l6biVCU5DZqLEcSvHTp2Jw5wKXT/xrs1bKZoiZcwiAodWBPk6MNU8fmSXG8k1FaO0vLUrokERmLnBtE8T10reL5PWcJGA9JvWhlf7EvYeIckNzgVvOwsUpmUuA/s+AZnXkUcGdJ9gszZqu2cR7NobMkz+1qs0DCq6yUaUHFNwqw6ZKK7jKQJUeUHCrDJsqreAqA1V6QMGtMmyqtIKrDFTpAQW3yrCp0gquMlClBxTcKsOmSiu4ykCVHlBwqwybKv0XXUT9OZ+BFj0AAAAASUVORK5CYII=" data-latex="f(x)=\frac {{a}^{x}+{a}^{-x}} {2}">则函数的图形关于_________对称
A:y=x
B:x轴
C:y轴
D:坐标原点
<img class="kfformula" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAp0AAAAxCAYAAACYlBKCAAATKklEQVR4Xu1dZ8huRxGeiBBBEBUVowjRIIJKQLGXiOWP2A0axYbYERuKXURQUVTs2JVYMDGxNwhW7MYOimIhIvhDQUWxIioP2THzzd0yu%2Bfs%2Bc577/P%2BSu63Z8uzs7PPzs7Mnib8EQEiQASIABEgAkSACBCByQicNrl%2BVk8EiAARIAJEgAgQASJABISkk0JABIgAESACRIAIEAEiMB0Bks7pELMBIkAEiAARIAJEgAgQAZJOygARIAJEgAgQASJABIjAdARIOqdDzAaIABEgAkSACBABIkAESDopA0SACBABIkAEiAARIALTESDpnA4xGyACRIAIEAEiQASIABEg6aQMEAEiQASIABEgAkSACExHgKRzOsRsgAgQASJABIgAESACRICk8%2BSQgXNF5JMi8q%2BTYzgcxSQEriwiDxCRiybVf1zVzpb/2fUfF257bJdYx2flPiLyBRH5a/yT7pI3EJHfdH91xQdLv1/QND/dIwIkneOzcicRuaeIvGC8iv9/%2BTIR%2BayIfHWgriuJyJtF5Iki8lgReddAHVt%2Bgv6%2BVkSeX1GWIEeXiAiU6lKF%2BkwRefWBYFOah1uKyHdF5B4i8vkFk6WyArm9WQe2%2BO42IvLNQttni8gvXX3XF5EbJpm%2Bjoj8qXIoQtm7isj7B8Y2W/5n1I/5fI6IPKKCCdYA9MGvG%2BUGIDvhE%2BqyMRRn6DK7bmq9WiqXkC8Q1seJyM8qDeGQ%2BpFB3WP7WNJdqtteISLPG5sGfnVICJB0js0WlDTIDBbkGj%2Bt7zUDxBNKCkTkVQdAOIGVbqYgJOcUFJ6WuW4nOfJzoUoPhOeQFRrk7K0i8iIRefsCgVM8vmNkRUl5pNrSxqAbh6/jd2mOr5pIc6uNkUNTVP4hU28Qkad33ghE62%2BNzf69hJctA%2By%2BLCI/FZF3i8hlPQ10lKUu6wDLFZ2ly7AmccirHUpULp88eBBVGfxQox3onocMHnwUHxhmSodlJbUYK/rC27pxeTyIL0k689OEjf3aIvL7pOxf7orBIvMpEblgxVnGwr63iDy8s04sWlgOW5arJdakzi5Vi0c28YiyivRJ63lHgJC3rHGR9maUWZM450in9hnzAmv7gzIHgdYmiA0M1hCVQT9/LctebWOLELQe3FubrK9rxvryeOX6X5urnvFSl/Wg1Vd2li7T9fPFymG5tWZalnSsaRzGWzdjvp0e3Qw5hz4pHfjX1G19M8fSx4YASeeJ0OOqGwTwLBH5qIjcX%2BTIG/WPSeRwLSun7QHaA5ltKQL9JroxqXK8yQ6umaGIQG5KVk6MTcd18eAp3hIpnLBb1oDoqf84FmpUyUc2wBHSGbGoeBLlSeYS0lnDfGTTOkNETg9aDmetr61IJ3XZ3BU7U5fZg95TkotQ72hKByys6Y%2BLyF2cS4y9Do%2B0lbsyt4f3%2ByVLvV7fezec2kE30j7LHCACJJ0nTtp/RQSWsccnP7UfuWt0EMMLV7Zyai9Ads9z7VnCmBMxXMO9RUReXJE/q3y2cD6vLYWS1cwGEPSSztoVsV5T4sRd%2Bum1MbDGFe9LNlzLer20ZpOla2pLos5Prhx69VXaACLXa55E4ZtrmsPTLNIZ2fRbuB7H%2Buqx3o64HOiYqctas7/s7zN0mfaodvMStb6XRpdbnyWLZGT923b0kHzbQuPwUdYbEeB3rYwllH6ey%2BRy11%2BTdB6dHpC%2BDya/r9dnZg7%2BT9isYQWd9UNAxqMCvp0lK0yvkpg1jly9rZO0kuN/p%2BCopZbOPWMRwX3EkufrjfhswmIB30F/vR61slrS%2BfdMoFiEZPVee0etkMCjFQhVk1Xr/4pya8jUFpZO6rLIChsvs7Uu055al6H3iMiDOw0gOd9m1RE5y2VJ3ksBT6UAJcULbjg/FhEYAxDIBAPPe900fEJEcCuH8b2pI%2BBxfDb55WYIkHQehRrXUYiqhm/lpzOz8DQRufWA32XPhMJf9FIRyZFeW0/ptLsk2rCnnyNla9Y0KCN1JlfSiYj80ajGHlIyMpYtvln7%2Bql2BZ9rK2pRsSTqnynI7pUGoBmWTt0McfOAg2Lk1xP9P3N9bUE6qcsiEjFeZktd5vW%2BBvZYPRmVbRDMHxi3JTsO7HvI9NHz8%2B22SKcaEmo%2BpRGXnp4%2BsuyOECDpPDoZOR9OWyJKCJdMcYTY1hblGpaYJf2vfVvqGxQQ/Jb02sVer/8xRT73WsLWJmyzMKnV2wrg6e2TWhxzV7YeL09Qay4PlkTdWERg7bRpWNYknfb6LrLR2jHDmvu1AGiz11fE8qvdHL1epy4LTPSCIrN1mcqIlXF/89B7sEafERWPwB4rgzUZy%2BX2tf34h1tTEdKJdfhSEXlCIVr9ZNDdC0Tr5P50S9Kp0dlInwJLno8Ih4XxzORLeVyoax7C2xU6gL9HIqGX9B%2BBSsidVupD68p1r6Sz1O/cv3uC00s0gP9ecYjKxozTvr1q9xZk2x6iZjX3q%2B%2Bv9cnSv/nrdaQmeqMhnmuSzpb82/622s3NRav%2BNeQqaun0OEZlB%2BWoy3rQ6is7Q5f563pcMSOtHK6XNU2aP4TmSGftdsL6j2P9o25P/lQPXCUZAXBzgXyxNpLeBwhZ9CKkE8YFBMuWcjCTdPbJ40GV3op03ktEIKgIzgGpeqeLCAdocHr/2Iq5L6MTgb4h/yF%2B6vz8rfT/r3P%2BMuhjBDP4fj4y1XGj9FoQrsthxYSDONqBP4sn3trnUjuRhNG5TRHKqZWQHW0v7XcNc42YRD8wz6pwcn6DOataJCeett9rAYjKypbl1rZyWuIOy8bVReTZJouAKnq7yXkCZ9Mi1f7m/cYilr2oJTviPjIaiDB7fS2RnwhRpS67AuFD12WeePUGHLbWE3Rk7VCjQT7YG0E6ba7N2itDLdL5WxH5eiKxpfZJOpdoip1/GyFQawwBJzU4C0N48d%2Bw5Nm2oSyRKgiCXSJia/SjVoc63tf6ECWduNrSRO86NiSl/kXyFf2ciNy9QmBL7dgNt2aNKo0zZ6WyZZf2u4avRkx%2BX0SuYXyKcptp6So3qoxKKUF8/7SdBzZSOM2WPV%2B/kqbWfOE7tUxg7moJ8FEnZPsvIvKVFBBnX7y5eXol58Mi8kN3Pd6y/uXm0PpsWYsj8t/614dqlhOLjc4/rufeVkmnVXMjaMmovr6y1vpqRcf3ylZEJqjLLk93t0QHt%2BQE2Rlm6rKIrltyuPYR7BjvM0TkM2nta/AdAukiLxcpXi3SaYNDS4GKkbH3rhuW3wkCW5FOOLXrc5GIzv6GC8bB1TrK5AJ4oEBB2EZ%2BuKKIkljtw0Mr0YAR0glSjRxoNhAJ333AjDmHgR1frh1spEiLhKi%2BWt7J2vUfFAle%2BcFp0//W6Hdpjqzl6z8u0CSXNqM3ZZJvF3VeT0TuaKzXub7pizk/TwoXV8LH/SKGjv3biQRivls/jAMpT3ClWuo/MEH6LxBsjci2Pl4qN89NVnqbNqq1CeRIpyWaSmgRKIb5z70M1Lq21s0MfmBPFZFaZoOIVTBH9GeuL9verdJc2LlqjV%2B/r61hLUNdtlwHH7cua6059G%2BUdKLunE9l7hBeIpE1fHCYLaVM8n7Y3p8f9WL9tnI5t3Qi/75TBLYinTp8tfp5x%2BWW0/sW8CFI6GGN6/Mo6YQbgf7U6lAjs358vh0sQpCK3FWH/za6eeVI50i/gRtebsIPVqzci0ro05%2BNZUpP1CDf/urGKtORlEk1K%2BcIGdlC9mwbSsJxzV16IciWj2xOusk8KblZ%2BDRAqE8tk0hT4q%2B9Wlf9OVztPIA42xdSrEUFbdurw1xQg934cECAv%2BkI6cxtcLrJzV5fljSqv6wd6%2Bi6zcknddnlrly9OnhPuiyyrmuks5QDM1ev9QNFECDkU3VEpB9WBnssnSWCSdK59a6zYXtbk05N4%2BHbPS5/Tgt1y/EeZSOk009facy1abbtWGtUJG/iWptXpN%2BwqNzUEE0o7Z846zKUlr9OVRJ9kXs%2B0W/MI6Szlopj76TTznVU2UfKKenXK2NPOr1lWecH1/WR%2BkuWTvUB9aTT1t8itJD5S0QEjxrADziX2SCqMmFlwXvm1tK69foqPXFYWrct14bc2KnLjqJyiLrMrruRVEaKgA0YLCVur0Wvlw7xpXXbSzpzVleSzqhGO8ByW5POnDLcgz%2BnEkp7BZ6bzmjidvst/Dfxw4YX%2BcEBHrnSEL3u01VsSToj/QY5huuD5hRFoBSCr1pyZSM1cwpv9Hq9Fa28Z9Lp%2Bx4he5CnVjnIDDYI5M0sWUb8xqLl4LN2i/RGc8tfFATzfSLyQiPkGsxgr9dxpRzNRuAJJ6qOXClG5/k41ldpQ40EikRz1np3Huqytg7emy5rrevoWvBz72%2Bd9O%2BRRyRycuQDlnpJZ67O6PqN7KcsszMEWuRg7e7aZ9m07oj/0dr98PVFHO/xDYgYElFH30ZXMtsTIIXoflzF50jqlqQTc9Xqd87yG7UG106zOs6e9FQ5guLneVSZaTCIphEppfoYlVPU75/fjGw6EdJpnz0tETZr7dMx9IzZ4oqoeLx3j2Cxc1JQQu4wMGqRj8jG6Dxvsb6wuQOX77nnVkfxoC5rr7pD02WRdT1KOttoHS3RK5cknb0In2Ll90A6W/6cWwQSRYkvgm3gv6hBUS1x0fRQPkAK9VifI1sProLgG5n7%2BxabIvoS7fco6VRCBesY/AyVnCgOEWLhsfd%2BgjNO0GqNaqUjacmF/XvJqX8t0mnbypHOUuoUHasGW9lk771kPkc6tS%2BIAkaAUTSAKyIbeyWddk6Rr9i%2Bd927uZdkjLrsKDKHqMtsxoOadTti9Y/qolyAmq41BJ/qwx2t%2BtYgndbHdO0Dfqv//PtkBLYmnbheR9ogDTZRBQnLSPT6eQYkEcd7tAsCfF4llyjqub15mz1XL9wJ7lAhriDhFxYi6JeSTv8EmmI52u8R0qkKVSPwNb1NhNyU5r50ZdRLjiKytTbxPDflcfWkayvSaf0rdfxW6eMpUrh71Py%2BWiTPkk5EryN4DFbs89N/Iwm2P3iU5mLPpLO0vkpWKZV96L6rJf3SQ8BzGFGXjengvegyyJDNn1tbW0tIp3fnyKXiUr/NR6e0SYhIb7l4rEE6W37eET3NMjtFYGvSqVZLEM%2B/JashiCfSGkWthzOgjDjea7vw6zyr0AkoLiSWhz8mfDOxkdpUUPg3LCgs%2BNKvVr9uuEjtgpQ2pbQULYx82orRfvcq6pICtT6evu8tqyLqhN9hxOWhpsCjlibb18gzjK25KP3dWjsidUT64jepnEtCTuGrv1fpYBAhnZqOyLso%2BOCG1ji2IJ1rry/MX86FwZJRkPtIDs6WLFCXjengPegyXWd%2BDVhd0NKHXj6se00rS4T9Npfpweq%2BEvksBStp3bmxWdeiUqBdS%2B759wNBYGvS6WGp5efcEsKcr2mpfVyNX1bI/4nx3C0Rz18lIoTgGix8/D9%2BmiQ/V3/rKdCIpTOCm39RYrTfPYq6lMLD9zdCtqziRS5OfU878m0Ln8jGby1UsNLP%2BPVYOtGHWu5W7Z8nndYloSVbdsPyG1%2BLdOpmWtqo/KGj9Ra0WkrtQSNiuWnNUwuD1vf6d7%2B%2BctZkX1ft4OXL1qxN1GVjOngPugzznMvhqvM/ot/sWtKE73owycmz6raajJXIMeobsXRqm9qf0uEWc5T7qaEHf9tbmT32KYJRVNd1l9uSdIKs4RUeayXcQ6qk3jyaNrq8G/DGB1AGz0pXjrmipQW9dj%2Bi9UUiPpUMtCxY0TZPlXLYYHDtDIJV%2B50hIqeng1ALG2sl/EPKnYoUQmgj4rdVSkzeIp34DgR3jeT7LUunbmA14lrCacb6Klk4W3Olf7dkunUgoi6LonpiuVNdl6mcta7PFbmSK0kuRV50VpgqKYrUAZfbknRiUVvfTc2ddufAxro2xPCbPDsRYPQDZBhX4tGfvqG%2BpksA%2BoETnqYfivblOMvBQnpfgx1wvbTjFajj7DvbJgInAwLUZevM4qmsy2q5jddBl7UQgYTAlqQTDu4aQNR7Il97wiwBhg8lyOMFnY3Acos3aXu/yzUDPHAtX4po7%2BzapsWVaCLi/syGv%2BqmHWNjROAUQIC6bL1Jpi5bD0vWRASyCGxJOjXyW1MgIN%2BlfZ98yylS30kQpS8tsC7WUh/1jGetenraZFkiQAQOHwHqssOfQ46ACJwyCGxJOk8ZUDlQIkAEiAARIAJEgAgQgaMIkHRSIogAESACRIAIEAEiQASmI0DSOR1iNkAEiAARIAJEgAgQASJA0kkZIAJEgAgQASJABIgAEZiOAEnndIjZABEgAkSACBABIkAEiABJJ2WACBABIkAEiAARIAJEYDoCJJ3TIWYDRIAIEAEiQASIABEgAiSdlAEiQASIABEgAkSACBCB6QiQdE6HmA0QASJABIgAESACRIAIkHRSBogAESACRIAIEAEiQASmI0DSOR1iNkAEiAARIAJEgAgQASJA0kkZIAJEgAgQASJABIgAEZiOAEnndIjZABEgAkSACBABIkAEiABJJ2WACBABIkAEiAARIAJEYDoC/wODacmbmkpjsQAAAABJRU5ErkJggg==" data-latex="y=f(x)在{x}_{0}处左、右极限存在是f(x)在{x}_{0}处连续的\_ \_ \_ \_ \_ \_ \_ \_ \_ \_ ">
A:充分条件
B:必要条件
C:充要条件
D:前三者均不是
在区间(a,b)内,如果<img class="kfformula" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAKYAAAAwCAYAAACbtwEpAAAE90lEQVR4Xu2bPcxPSRTGn7fVUwtqnfiIKNAIm9gKIRQ%2BWoSKbEm1m13KtVsQgsp3NIiEBNEpVIiaflvyJDObyc3cO2f%2B987/njv33EZe771nzpznNzPnzMy7AnssAgojsKLQJ3PJIgAD0yBQGQEDU6Us5pSBaQyojICBqVIWc8rANAZURsDAVCmLOWVgGgMqI2BgqpTFnDIwjQGVETAwVcpiTk0FzB%2BAnVJFcK02LlMA8yCA2x1gbgewB8DFnvPMJQBPAbzuaWdZn1cdlymAeRPARwCXI4oTynMAfh2ABm/rj4nAWXVcpgDmnwDOtoBHcR4DuDMAmDTBWWgfgCMD2Stppuq4aALzbwCrAXwH8LVlhgyFPu4gGmK2DO3ec7D/W5KqgrariIsWMJnfcbZaD4Bg7BcUO3zv7oCzpWeFfhwYKD0oyF%2Br6SriogVMVpfXAJwC8BnAhwQYzAevO5BLiE8fjk0k1wz7X01cNIDpq8szAK4IKTsNYFPBXJC56/sMf4RuF3%2BtmrhoAJPL%2BAWXLz4RSlcanNICC7uZ/Vo1cdEApjSnDFV665b%2BUgUKC4iTALZkozHuB9XERQOYDCafHAgkJx7Mt4462%2BsAPHJLM2fDNQA2A3jRUf1L2iiFod%2B2ov3/3E4FN/9TBwkSnycRl7HA3AvgN6cqAeHzzv37l6DSlgjAmdhvlrM97ncyj/0EgCnDMwC7Oqp/SRslwGRawxk7LL748z%2BusS7NJD5PIi5jgRluzfC4kceJsZOdNuFTAnBP9IED0NvgN7eCgomV95uOAqqtDc5mBHyR52Gin5zNOTAPRQYn/bmf2K0YMy6LxKP1m7HB5OzA4icmRFdHJQJw66k5AHLaSbUxqBAAuMS%2BaoHP/y41gFM%2Bc8BOIi5jg8kq8rBgM70JQUqA5vu%2B8s/pb24bfUH1Psa2zbpm0rDdXJ/VxiVHqL6Bj32/SOFDO7kb4Mwn%2BewWdoIz1O%2BZBZnQdOtrjAXz7Zgm0gFcTVzGBrOZ90nFJWjMTaXbRWwntQyGbbPY4LIvBVnqdyo9YQEY252g/88F/lQTlzHB9Cc%2BOcB4YZkr8bKH5A6mr2h5ayjcwG/mWyE0XOJ4oSTMx8J8tUTxEx7Lhr74HQUWh6n%2BjhmXIQbn/zbGBHPRwofOd1204LK3NThHjy2DFHtbh9ClLkJ0icdlmLNiczB4/08IVohq4jImmNK8qU1MCsnbSLHCyC%2BJzBV3uMrfz5iSy8VttgedFRrG/P5l2CdfnPBVqVZVxEXa2RKCLFr4hMt57N4mBd7pNuy/uFmGVe0vAPgznxsdN4f4/dqWZbxEHEKb4Z1U/j9PpphLt%2BWeMX9oY/JxGRPMtpxKKn6pypkD5rySK28%2BD/dXAiWxqSIuY4HpA56z4R0TxZ97p4oCiaB8h0vnN0XX3XLyy7CPk4/LMsFkQbHR5YUEgOfUORc32uDi0sUlr%2B/f/XCwMAWIVeJSsBd9r1mw0Y6vxpl%2BxHLpVFuTjssywQz34pigc5brC1OYb/YFqmv7KAVB3983z8EJ5VVntM9N%2BiH6NISN7PgsE0xfVHB/8KWi5TI7aAU%2B8LGh6VUANrg/L%2Bkq0gq4ocfkMsHU02vzRH0EDEz1Es3TQQNznrqr77WBqV6ieTpoYM5Td/W9NjDVSzRPBw3MeequvtcGpnqJ5umggTlP3dX32sBUL9E8HfwJoHFBQMBkVwcAAAAASUVORK5CYII=" data-latex="{f}^{'}(x)={g}^{'}(x)">则一定有_________
A:f(x)=g(x)
B:f(x)=g(x)+c
C:<img class="kfformula" src="data:image/png;base64,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" data-latex="{[\int {f(x)dx}]}^{'}={[\int {g(x)dx}]}^{'}">
D:<img class="kfformula" src="data:image/png;base64,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" data-latex="\int {f(x)dx=\int {g(x)dx}}">
f(x)是定义在(-l,l)之间的任意函数,则G(x)=f(x)+f(-x)定是偶函数。
A:错误
B:正确
若<img class="kfformula" src="data:image/png;base64,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" data-latex="{x}_{0}">为f(x)的拐点,则必定有<img class="kfformula" src="data:image/png;base64,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" data-latex="{f}^{''}({x}_{0})=0">
A:错误
B:正确
有限个无穷小量的乘积是无穷小量 ( )
A:错误
B:正确
若<img class="kfformula" src="data:image/png;base64,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" data-latex="f(x)\geq g(x)">,则<img class="kfformula" src="data:image/png;base64,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" data-latex="{f}^{'}(x)\geq {g}^{'}(x)">
A:错误
B:正确
<img class="kfformula" src="data:image/png;base64,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" data-latex="f(x)=\frac {1} {{x}^{2}-1}">的间断点只有x=1
A:错误
B:正确
<img class="kfformula" src="data:image/png;base64,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" data-latex="d\int {f(x)dx=f(x)dx}">
A:错误
B:正确
若一个函数在某点的左右极限存在,则函数在该点一定连续
A:错误
B:正确
<img class="kfformula" src="data:image/png;base64,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" data-latex="y=\frac {x} {{x}^{2}+1}的极大值点是x=1"> ( )
A:错误
B:正确
如果f(x)为偶函数,且<img class="kfformula" src="data:image/png;base64,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" data-latex="{f}^{'}(0)">存在,则<img class="kfformula" src="data:image/png;base64,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" data-latex="{f}^{'}(0)">不一定等于0
A:错误
B:正确
f(x)=1,g(x)=x/x是相同的函数 ( )
A:错误
B:正确
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