|

 函数<img class="kfformula" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAALsAAAA5CAYAAABu6Fq5AAAG3UlEQVR4Xu2cO%2BwvQxTHv7cWoaEW1KKRi4gIGvEIFUIohNIjVERJRdB6FIS4Ku9oEIUE0YgaUdNQqMmHmWRMdnceO7OP355tbv6/nTlzzvd8Z%2BbM2TP3jOwxBA6CwJmD2GlmGgIyshsJDoOAkf0wrjZDjezGgcMgYGQ/jKvNUCO7ceAwCBjZD%2BNqM9TIbhw4DAJG9sO42gw1shsHDoOAkf0wrh419G8p%2B%2BNiSdvNIWtk35xLqhX6VtJZSY9LeqVASgmBS9oWqLBMUyP7MjgvMco9kt4tWKW9TiUELmm7hM1FYxjZi%2BDadOO3Jd1nZB/30Z7Ifp2kWyQ904Byz0n6TNLXDWRtRQSr7geS7ipUqGS1LmlbqEb/5nshO0R/ssKRYwh6eS%2BeEOEhYhivPybpEvcbv58n6SJJ10i6OgAmJDC7w%2B%2Bu3feSHpX0kaQnXHsje/85KZzwiaRzDccixr1N0v0NZa4l6laHT7h4cWCF1PGKHxPW/w3GxPyfuj7Ywi7KLujlGtkbePhVt5qwqvwq6flA5kOOlKXbc45a7zuSvJHTeMNtXnIreEh2VnayMiFBhyaFf4%2BMcAXHXBaD84NFxsg%2BkwSsHKyyl0mCfHdGhyx%2Be6/xqu5VZty7G4ZHM6Go7v6zCz/C8ARhT0crc/w3bWICM0lelvTOwK5nZK920X8dAfA1SY9Iwmk/BuQjtn7TTYSZw4x2Z8wHdx67gyEhx19Rjp1QhsdPAmxlFwvbxQT2C869AwuMkX0GC31ueOxDCKvMVZ3jamJVDmMlH2JmmNylaxh3h2cQPwl8WDgWshD%2BgPVPLqxDSR8SsRvE/bsY0Vvo2tkYQhjAJDbkYBQ/SxBxiQnV24%2Bs2GRNvotW43glHmrn2/DvL05RdlcWAJ6pXaC3XU3lr032oRg9NJBtmBCn5wGSA/DDUTquKcgbF1YSmpS03ZzZa5M9jiljgHLBJbZ/wHW%2BVNLHLixh1b7Y1Yx8GWV5wrFyx9mcAxsoVGJ7SdsGqrUVsQbZSX8968ygcImH7ZeHLECYS88Flx3CfyDy6TXOAcSghEefS7pp4lN67jht0d%2BGtBLbS9puw7pAizXI7of3h1OyCGFevXTFJUf/YRTz45QwdUas%2Bs3EQXfMiejIpKl5iKHH7KqRZ31mIrAm2X3OdyjF5c3KWUkgO2nLeBJNyY1hyxlnJtS6UtIFc4WccP8/Jf3Q0741yZ5TpVdDQp/hKbGtZpxSv0D2C0s7Haj9H6dM9tThFD/XfPAhPue5OZMoHG5fOHA2JhOm/TcrWf1aWxvH1UPyIS7FSSWpx/hDSkpvUo%2BEPLmTIyWv1XsySTe48gkO7r5upZX8w8lZi%2Bw5h1OcQTxOcVhuDTvEfX3gI1Uc14eOJuyh9DWM%2B8P4f60DKhkmX/y2RJh18uRfi%2Bw5h1PATxVqEfdTn00RGc/QOYBU5LUTE6ZnodkcAoUEN7LPQdL1XYvsOYdTbx5xuydzbDIkIEdPoROx9/Wuys%2BXH%2BRc%2BpiS3wDi2SJ8FWILXzHxCdf8BY073AWNoVKN2YoPCMDvl7uPfN5vPcYZlNkCwBplcw6nXi4hSFzj7t%2BxQ9zoCE9dB7E95Lg9qPN4a6Kikf7c5hkKYWrsat2n9hL1mB6QLSwUGyr5bW2Dl0e9PGcwP7FyzmxNdVmL7Bjqy3pTBvXMljDpntpoea//oMWu5S9ipLBKvQf3uMK0VYjkb0blTrSWO1bK7n/fr0F2v1qVfPTxNS65B9Uc4zmY/rbh0l5IGD4tfBVPmpYre2rS9JxoOf5ejOwcAq9wsTcko04lvlWTUphwhmKuFvdQmXCEP2uGL6nLzSk85r6H6GSvuFQdxuy1eqXIHk%2B0k13ZAeILdzjiQMgKXUPaqRRiifNbySkZM2ybc7m5VnaqHxOdylAeLsaEd3vn6JUie6wX7Rf9ftBia0yBy3t/ECSf/dWGQ4ccW1q0ybncPDWOv2Cd0iUVKsaJgjl6lZCdcUgM9LhEP4rJUmRPOeWo76cuN/fAJDdmT%2BnlY/2UjkPpRf//2Sz%2BRdjInnJX3/dTl5t7jBwfEscOqDV65azsMdEJqWrC2SpsjOxVsM3ulHO5efYgAwLiPDthDKGl/2g3R68U2fmgxQel8GJ7eJm7h73/k2lk7w7x4AAQI3W5uYdm4S0x5IdE5%2B85eqXIHqdSvX2LcXCxgXp4zmRuCoEU2VdX1si%2BugtORoFFQ5Ia1IzsNahZn10iYGTfpdtM6RoEjOw1qFmfXSJgZN%2Bl20zpGgSM7DWoWZ9dImBk36XbTOkaBIzsNahZn10iYGTfpdtM6RoEjOw1qFmfXSJgZN%2Bl20zpGgSM7DWoWZ9dIvAPvp5wSawSNBsAAAAASUVORK5CYII=" data-latex="f(x)=\frac {ln\left | {x} \right |} {{x}^{2}-3x%2B2}">的所有无穷间断点为
A:<img class="kfformula" src="data:image/png;base64,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" data-latex="x=0">
B:<img class="kfformula" src="data:image/png;base64,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" data-latex="{x}_{1}=0,{x}_{2}=2" width="166" height="44" style="width: 166px; height: 44px;">
C:<img class="kfformula" src="data:image/png;base64,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" data-latex="{x}_{1}{=0,\, x}_{2}{=1,\, x}_{3}=2">
D:<img class="kfformula" src="data:image/png;base64,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" data-latex="{x}_{1}=2,\, {x}_{2}=1">
设<img class="kfformula" src="data:image/png;base64,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" data-latex="x\to 0">时,<img class="kfformula" src="data:image/png;base64,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" data-latex="x+{x}^{2}与ln(1+{x}^{k})">是等价无穷小,则k=
A:1
B:2
C:3
D:0
函数<img class="kfformula" src="data:image/png;base64,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" data-latex="f(x)={x}^{2}-2x-3"> x∈[-1,3]在给定区间上满足罗尔定理的数值ζ=( )
A:0
B:1
C:2
D:3
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="({e}^{x})''">=( )
A:<img class="kfformula" src="data:image/png;base64,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" data-latex="{e}^{x}+c">
B:<img class="kfformula" src="data:image/png;base64,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" data-latex="x{e}^{x}">
C:<img class="kfformula" src="data:image/png;base64,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" data-latex="{e}^{x}+x">
D:<img class="kfformula" src="data:image/png;base64,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" data-latex="{e}^{x}">
设函数<img class="kfformula" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAALwAAAAxCAYAAABgZ8OtAAAGGUlEQVR4Xu2bO8x%2BQxDGn39Ljdatk2hEXIIIGkFQIYTCJTqEipqKuFTiT0EIKvdo3BISRKV3q6lpyS85I2vtec/unj37nvOdOc13eXfnzDzz7OzszL6n5I8jsCMETu3IVjfVEZAT3kmwKwSc8LtytxvrhHcO7AoBJ/yu3O3GOuGdA7tCwAm/K3e7sU5458CuEHDC78rdbqwT3jmwKwSc8LtytxvrhHcO7AoBJ/x63H2VpBslPdVQpTclXSjpMknfS7q8oey5op6W9Kmkb%2BYKKpnvhC9Ba7mxkP1xSbc3fMXzkj6T9Mkg829Jb0m6p%2BE75ogym5/rSXon/ByXtZtLJP5Y0jvtRAqZIbkfkfSCtKoLg3dKurnnInTCN2RYpaj7B6e3jO6oQkR/VNKLgV78b20%2Bf29Y7K9V4lc0bW3GFyl/pMGkCedJuqDR%2B3H4u42jO6oR0UOy94zwpCuXSLpL0mlJh8hMlL%2BjcTo36honfDlrf5b0baNtGGK83nDxHLKG6E5K81i5yUUzCAi/SPpC0tuSHpggPMLB9L4eubwTvsiXzQcTdS9ttHgOKccB9txeUTRKoXIIz3njh2hHag42Ap3wi8CaLbSHo1lUkH3pyJ4yml0lh/C9Fr4TPpuaywz8LiPHnfPmmOzkyy0rQVO65RKeg/uDPfoEPSO8laDOHLavZyK0nhwi0UNTKDb%2B3PRC7F%2BSzkiUCCHORZLOkvRVYuslUttDKZDc/OFAHs0f8ueYbCVVE2TeO7zkfEkfDXqg29lDc4m82XC9aWg6hQdXMI5xbwznf8TlEp5JJVhU69yL8IB/qyTIzGp%2BNZFOYfD7nfNMyE7p7ongwBQ3gdD9yqEDmqp0QKIfhwYPNkAoFsYbgUwWxBWJw2mJk6nmWJMGnajbo/tPw7s5LF4f4Irs1NPL50binJTmxBH%2BlYAA/M72FQJvDqStHkcgI2XNqv5wIqJBEouUJp%2BWNyQ2/dDXdh1Id1ukO%2BPR22ygQhFXHFI2lziZ%2BR8EXVObG3ZOW1aParCek8OXYDFLt16r3UiBsinHQDDG0HWzVvgswzInW0QO768QxXksFTDdifxfJ9rzVu%2B26B83e5CVWiglTg4XHfMIApT8qHP3zMkzYf132G5TGkPAomC8zY0RohTg0vEcGrlYRVSmtv7lgZrx1KIkbbl7pPI1lq6VpDShbfEuVGp3ON4Wao2MqQC1e8KPOeoY%2BTsOtnydNMWeVFplOxM/xzqs7Fy/SrohYo5F45Tc2oYLqRhP/K4a0i45J5fw%2BOHZk1alAVgiKk94TfVQ/r6kM2LZ6PGSJCogcao3paOlO5w/4uu9FvmvTnQSIS6pSek9Eog0tjB7Yjb1rlzCU8ggPVt8AffK4Q0YAOBuRVh6tFRhLB9d4tBKTkxFI47WYxWkFGnDc4mlBSkbsPnzwJnhPPT4o/AOvOkYpxNxnj9Fxh6f5xIeTKhsLV6SXgPhj5G/xyQ057P4aPXHNxfjlAvSnRNUgMbyd0tn7MxitXRzbM7FqbikmXpXWDrtQeTcd%2BQSfqkLdP/TszfhSWmoG9s9bYvuYQTMBXPOuLCmbXJSNflwZzLSMo7fw%2B13Kn83nCHry1Fqw9xDNy8hjX1biQVzTVTRWuLLI3OwDefmEn4Kg1b6dL9aYKSC9HQ12c6t%2B9fyq21TAIVdSxuLLmNfOSNluXbQl/FhU4m/U3fPTa51Yekwp64Bk4r8dqBfAD7XDaSnmkS%2Bjz63DNWllD5T9i/5uXXMLx4qYLyLNJYnlbJ07bD3jvAx0FOlviUdsxbZ3SoUazE40oNdP%2Bx0L6pmT8KnDorHKkcuCmqFcLsP03OXq1Cz%2BRQOq7/3uBZsmvckfKpaQYRPleuaI7sBgQQELn%2BtuXPaEkbSW1K1xSszodI9CR9%2BqXgrrfGWDs6RtcbSYo7eNWOOYmtPwlsJ7s8BHRouPe/N1DjF55wwBHoS/oRB5%2BZsEQEn/Ba95jpXI%2BCEr4bOJ24RASf8Fr3mOlcj4ISvhs4nbhEBJ/wWveY6VyPghK%2BGziduEQEn/Ba95jpXI%2BCEr4bOJ24RASf8Fr3mOlcj4ISvhs4nbhGBfwCXaExBa0OE6QAAAABJRU5ErkJggg==" data-latex="y=sin({x}^{2}-1)">则dy=( )
A:<img class="kfformula" src="data:image/png;base64,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" data-latex="cox({x}^{2}-1)dx">
B:<img class="kfformula" src="data:image/png;base64,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" data-latex="-cos({x}^{2}-1)dx">
C:<img class="kfformula" src="data:image/png;base64,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" data-latex="2xcox({x}^{2}-1)dx">
D:<img class="kfformula" src="data:image/png;base64,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" data-latex="-2xcox({x}^{2}-1)dx">
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
设函数<img class="kfformula" src="data:image/png;base64,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" data-latex="f(x)">的定义域为<img class="kfformula" src="data:image/png;base64,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" data-latex="(-\infty ,+\infty ),">则函数<img class="kfformula" src="data:image/png;base64,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" data-latex="f(x)-f(-x)">的图形关于()对称
A:<img class="kfformula" src="data:image/png;base64,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" data-latex="y=x">
B:<img class="kfformula" src="data:image/png;base64,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" data-latex="x">轴
C:<img class="kfformula" src="data:image/png;base64,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" data-latex="y">轴
D: 坐标原点
若函数y=f(x) 在<img class="kfformula" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAEcAAAAtCAYAAAD833YjAAABwUlEQVRoQ%2B2XPS8FQRSGn/sjqIXOH/ARUaDzkegI0Ui0JDpqOgmt0AihE0EnKomIXoU/4EeQk8xNxube/Ti52RH7Tje7527OPvvMO3NbaHQl0BKb7gQEJ8cOwREcX3jIHJkjc3wEZI6PmzJH5sgcHwGZ4%2BOmzJE5MsdHQOb4uClz/pg5E8Ba6GkQuAWOgE2gHxgBHoF93/fu3a9SmHMNHABPwCxwB2wB78A98ABMAyl6%2B0W27gaOgZsAod3IN3ABrIYLH8BzNO%2BdChWflALORtTjEnAJLANXOb2fA1/hfl9d4OqGk33/PWCnYAnZ/eEIiIF6qyOTUsOxfLExk2ONLTvLJAttGxbch3VkUmo49uK7BRZYTbbPTtcqJkpxeUo468AJMJcJaAvtOJcaAceyYgwYCt/M5isZK2xrHw82xbvZvzfHDHgBRgE7CE4CFshtc%2BzaNrCYEb4R5tiuMxUAfQKnIVznAZvbOAuHw5hPI%2BAUJ2DnisbuVmWAmXELYTlavf39eG3COacMnBiInY4HOuRS2edUqku5lVdqNEWx4ORQFxzB8S1KmSNzZI6PgMzxcVPmyByZ4yMgc3zclDk53H4AqhZCLnQeOQQAAAAASUVORK5CYII=" data-latex="{x}_{0}">点可导,则下列式子中( )是错误的。
A:<img class="kfformula" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAATAAAAA7CAYAAAD8S9aEAAAJkklEQVR4Xu1dO+y3MxQ+ZjEiNmEz2MQlGLCIS5gQgsRldAkTMTIRl9FlIASTeyyIQYLYDCbEJpjN5ImeL0317eXX9vS9PG8i8v/e/tpzntM+PT097XuW8CECRIAIbBSBszYqN8UmAkSACAgJjJ2ACBCBzSJAAtus6Sg4ESACJDD2ASJABDaLAAlss6aj4ESACJDA2AeIABHYLAIksM2ajoITASJAAmMfIAJEYLMIkMA2azoKTgSIAAnMpg886pp52aY501ag2yy9euE6UwdTY+2tMRLYeIveJCIPisjt45ua0sIHIvK6iHxm3HpPXGfpYAzZ/pojgY236XcicsX4Zqa2MEPH3m32rm+qQY7SOAmsj6XhDXwqIh+KyG0iZ45o3Skid6zU+1KZe/QBeDDvi8h7feA8U4slrqN06AwJq/MR6NF5iagIOv+lIvKIiJzjDeQ1D4q3ReRuEXlJRB5vNOIoorbEdZQOjdDy5ykESGB9+sc/zvsK41z49zViDM/mBhE515FYDxlH6GqN6wgd+vQw1hJFoEfHJbQi6PhPi8hzARhrHRDwvu5xsi7JXmvXEbpa4zpCh1oce5W/WkRudP2yV52pep4Vkc9F5BuLxrQNawJDoPRyEXls4tZ7T3yfEpFbnU7fi8jvQbxraUCAQP5yHtAPbun5cYelXIlu6n3pslGXkrG+UCNnz8E/C9eeOpTYYlQZkNcTxrFXbfMFSxKzJjDEGd6NLKuQh4NYjLU8PToQBhtmn5jssQEBUgAGSDvAezzw3pbq6CGjX4fvfem/xzydWjl7D/4ZuPbWobftSuuD7bCp1HtTJdc+xvfNnnefK9/83powUrM9lLcGvBlAEUnpFBsQL3qelhIYjK7Bf7yHh4onFmD336fkvyuCZ+h96e9jOuTkDNsOdW2RE3X3xhV15rBdG4G96rx0eOu/BSGKX0Tkx4iX9YAjkVl5h9h4AXm+0WNw5eqwJrCloGxOzjW/R0dCB4vleqUGhHqd7wQzlv+b3gMq5n2lvDC8W5IzR2CtNuuNK+TJYdsb7xYM4JFjUr9Y/tvl9tNzNL3kNRF5OGhk9s636W7uDALz418wBDwFbOf7smDQXOg8EZQ/281EV7rll//37CTRVBA8NSC0U4aeUm6QnToolryvlBeGd0tyjiaw3rhujcCgvxJU6G3p8vqaIN6EONSbjvRO7Sc9fgd577OIhVkSWCxxUj2CcKBrVnToseFvf1m1hhkTMsSWa7pkwf/9PCuQ88/OzcY7tQE6JXYxRxFYyvuKeWE5Of2OjqVZqGfrQOiNa47ARuhwKgYaK17a7MKkAq8/9L5gs8ssY1ALCqKvYXNq+BlZSwLT+EPoaf0RCezr4dqQoPy/e2aSt3a0FI7hERXo8KtrEDEMGBrP387gowhM420lukKfnJx+Pb2P4Sxt9qTaLJE3hW1vHUpwXiqD5SMmNMRGY2dMlzwcM+LIKGdGpJYEthTTAOh4NC9JsQl3ocKdSrxHwBIxgllPjJRDWVAGAdjS2WgUgY3CSJf7rdn8oUcH7yPVP2txTXlgI3RowTuMeYV1Ld2eARLGstMkgJ5QEOPyIYszwJYEpjEN9TRUf10qnB8MchgDj8a4YNQLvL9BiDBUWF9Lxyn9rS6vXnEyhAmsYT1+SkKujdxOWe731u9LlqalMo3EFTIsYdtTh1JdU+XCvl9a5xpCKv64Hs4vwxvwkFdww86S+nc/uz0M6urv/O3+UkO3lkPb2D1EHKKn59Eq19Z/f2RcERJ5xhkQyd54kByNB3HfkhSjUgJDsP9eV/dFIvKJcx4wgZznErO/ipwsqelfpbLU1Pm/spYEBo8J2eYwim8M7bSa3LnE4CEgS/U1AcIfE4HJCGj8L3Y0LSdaKWlgNaMZ8xpLxpIdm0uIuX0hItc3JpaXypLTKfneksCaBOWPicAKEAC5aJJxrTiYvHOhBtSpsd+lne1UuyWkgeTYj4LNAXUiNA4N5+Dbxt3MEllqMZzqgTULywqIwAEQSJ1AyKlfQhogMD/9Qj2+HGHquVjIgFtMwk23ULYSWXL6ZN/TA8tCdKYAEmvvLy/OkjtA4GsRwX+Wz6kBfMh4SgKppmykuABe4SUeaYHMfkp4lIixPb+3XUjLTsC2iMBWEQiXczV6IHaFWHJNGgV+gwf3wy09kMlPqs1dvoA0Cnh0qTpr9FosSw+sC4yshAh0QaAlgA8BsDzEzjg2AEqfcHc/9rvYcjC1RIRXh2VmeFKgVKbiciSwYqgOUXANpxvWDPToIH5LAB+41R6khqeEL0qFGf9hnKyWwMwOlJPA1jxc7GXreU++vfTbb7ElgK/aIw62dDoF9eNCBH0faw+T2FWBF1dLYCkZulppJoGtdbav3W3papCJlY24J3+iOptsuiWArwrDewrvDtN3ICLkYeJ0CwLt17qLNNUDW7rJtYbA4EViw2v48hFKzSSwNc72tbstmxwlC0KPuCd/T/hY6AKiiN3xVdN2agcQ/fs6R2K4UADBfgTkb/EuGHgrcg1ODYGBhJ+0uEpnJoHNmu1zX2Cu3W2p6VhrLjvqnvw167w22UrzsUrk1iNBNcH8VL2l4wLB+z8rLi4o0SVZZpYHNmu2x7nJVBJezUzTDP6KKhh1T/6KVFylKPrdS8SkMPhxfKfXBZ1YSuI8Y8kZyhw4+pEV/2IFXAPlnywAAcO7M1k6qsAzCKxmtoecNV/GyRkC70FSS/csHZHARt6TX2KPI5dBf/vS5Ush8A2PqQfh+PGwXoQCsgVpwQFAjCu8cz/cuTSx6wwCK53tlbx6f8FHNw9Kv+NociTCxNrxRkbekz9RrU00rQFvkAIy/kvvjNuEchZCWhNYzWwP/Uu/jKPfm6zFLLyy92ge2Oh78mvtwfJEoAoBawI7ZbaHQqVfxilRHnU94v4Lr+s9GoGVXOTnZ2rX3JNfYguWIQJNCFgS2KmzPRQs/TJOCRi5GFjNma+S9tZcBliUPrX35JfWy3JE4GQELAmsdrZXzyv1BZ9axXO7kCW7LbVtsjwRIAKDELAksNrZHirjN6kv+NTCgp0eLB9jX3rRunK7LbVtsjwRIAKDELAksEEqsFoiQASOigAJ7KiWp95EYAcIkMB2YESqQASOigAJ7KiWp95EYAcIkMB2YESqQASOigAJ7KiWp95EYAcIkMB2YESqQASOigAJ7KiWp95EYAcIkMB2YESqQASOigAJ7KiWp95EYAcIkMB2YESqQASOigAJ7KiWp95EYAcIkMB2YESqQASOisC/yOaFWrZIP6gAAAAASUVORK5CYII=" data-latex="{^{lim}_{\Delta x\to 0}\frac {f({x}_{0}-\Delta x)-f({x}_{0})} {\Delta x}}=f'({x}_{0})">
B:<img class="kfformula" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAWEAAAA8CAYAAAC3mAtKAAAK3UlEQVR4Xu2dOcx3QxTGj1qUtk7oFF8jYgkKNIIvVAihsJSWUBElFbGUloIQVPZoEAkJoqKgsXWCWk2ez5xkvsnMnXPuneX+3/e5yVe833/uzJnfnXnumTPLPUN4kQAJkAAJTCNwxrSSWTAJkAAJkIBQhNkISIAESGAiAYrwRPgsmgRIgAQowmwDJEACJDCRAEV4InwWTQIkQAIUYbYBEiABEphIgCI8ET6LJgESIAGKMNsACZAACUwkQBGeCJ9FkwAJkABFeEwbeCgU88KY4oaXgvrNqNtR5jqL6fDGc9wLpAj3bwE3ish9InJr/6KmlfCuiLwiIh8PtOCoc53BdODjY1FKgCLcvy18IyKX9y9megmj6zm6vBmAj0MdZ3DdVZkU4XaPA57ZRyLynojcInJqS/jtInLbjr1gtblFO4Dn9o6IvN0O6amcDo3rITBt/IiY3RYCLTrflvKP0r0QoRMi8qCInBXEqJcwteL2hojcKSLPi8gjGzPt9cI5NK6HwHTjo+btLQlQhNvR/Dd4wXHsF/83irF36AqP7XoROTsIcQs7e9R3NldPCzkUpp46MW1nAi06XmcTDyZ7iMUTIvJ0ZHEPUSoB8ZYFj+2ukFnO9jXgvTZYypjN1WKjpjkUpp46MW1nAhTh7YAfF5GTInKZiHwrIn9EMeAlUUKH/Tt4ot+FMMYHG8ICHgFUj01DEDqEzrUHj50eG2rk98K1Zqf+7mGKe6xcWzK11oXpBhIYLcIYMkOsHp60rrQXWgjGU5nQQ6kDoQO+FZZ0IQ0ueNG5PKw2ezpr7LFp/jmP02unxwZLvfbA1WKniqqOLJaYalrr82/N1Fqf2emuEpEbQr8YZQv63yci8tWoAlHOaBHG5A0aX1ouFqZjcmi0Pa1YlzzJUgd6LvJ4VYRviib01thl7aypxxYPpTFJFz8Dr52xDbgXL9vadcfCiorRXNfa7GEKHh6u1uda43xIv0OAH52wqkjLfXakEI8WvaVhLwS69fKmUQ3vlxBaSNcD1zqQvnzejOKz2klVwHIrF9RDrNUP4ZHUppwXXPPcSnam5dfqW7M3/X00V6998Qss9YJrTPG7hWtrpmvrOPI+tFEs95yhB9AhOESl59mcw2gRzs10N6/UhAxLE1u1DoTlV1hTnHqD8X21POLOXnueJY9tyRvGbyU7e4vwHrjWmtNaplau1udfs3PW7y+FeQ/Mf/yeTFzjJftD4vHeG0Rw5g5TtHe8BF4dAa3WaVvbgAYVx4PRgCFA6TAYHsIFIS3Snxke5BUhnBH/vYfdaKhXbliNYSeudA0u6vdzeND4XZ8DPFysruglwktecM5zq9kZt49SXbe0oT1wrdnvZaoe8NLz1zJ7MK3Vp+XviLHCs7woepFrW9dNLS+LyANRoXtYW99rzXuW7UgRzu0k0gacvu11zWvqOePveHi+By+hFOdW4Ln1u7D715AAngBWR+D6J0xY9hJhjT9bOhraRs3OOB/vOuWaDXvhWrPTyxT5Wbm2ZlqrS/o7RBRt8mIROU9EPk882Vp+qKeKbOr1akjt6ij+ipjsa0G0a3n3/h323jMiNjxShHXSIy4Tntafmck6PUEqFdn475bbQ7c80Fy9Ug8RwzDPKWO9RHhLPZfu1ZHL1l13KTeMgkptFNxHcO3FrJZvD6a1MuPf4ZHGE1QqkL+FTT61vPQlWloJhfwRooi9YNT50pHx2IVKwEGEc+TptzUm0z3h0iQLKosrDYSny5PSFRT4HfEjDHVmXDpUfzHEjuJNGqk98VIvi61rRFhDGZb8W6exDMmtZe6Nq9Xu1ulaMvXahrb0feZUPPQ3nJaXhhBy+cOLRj6Y5MqdrpfzNIcJnwHIsBfCSE9YJ1l0yK0cNO53bvLWwVAMl8Z88eY8P/obDxGB8zQ/A98mSWA3VjXgbd7SA4Rx8VKpFuc6NKnwoEzIdRDoihdYWh2Afoer5vzoZG5JY3LnJaPPQ+CHTIhVMOOFc/+IExBHizDKS9/w6vXl/j/eBpzOlOt98ZrL+c2XFpDA4RNA38otb0TNdMNVTTtSJ8pCZQ9zPLGdQ+ypgbSAs6bBGxTbcvFw4/V/6vnoDqLYQ47tS4GU8rPaw3QkQAJ5AuhbpdjvkghjnubJkCV2xuJCf8eFEV1t3a9H9BCjvjvkfaGIfBhG0vCwzwk7c70TiSkNjz2r29JIEV5tJG8kARLYDQEI02eVyTmdlEsPtKpVwiN68cShTtJjEhBL/xCD/lRErtu4C9djT61uxd8pwqvR8UYS2AUBCJ5le3jOWIxMlyaU03t0snxpqznusaZb63liA8j7yYSfjqg1lg1v/uuNKy0owrto4qcbcbOIXLJDu2jS8SHwU/iCyegaY/j/Zea41pwdS8cTLNltFT2IcLy0TT3v2stBT66DDThHu7Y12WrPpmdBT3gTPt5MAseGQG5db6nyayblkNfaDRK6HG5Jz+CdY9OJCi8E+ceFkQBeOs8ctdURx6a1sqIkcMQI1AQrF1ZID6WyIEEcFxP03iVquA8XvhRTuuDVxhtHaic3YokaPOulPC11qqahJ1xFxAQrCexlR+NK83lbIAAPEpc1drx2Ug5lIMyAdfeY0PNc6fLV3L250MJSuAHeNUIWcdjDY5M5LUXYjIoJnQRafvDSWfSxSt5zYq4kwEu7M9dOyuGhrTk4R3fxpTvz0rixV4SHHSQ0U4T36Cl5A/fHqrc7Ktvjg5eO4pm0AQGIG3ax5jxgeIklb3XtpJyajLjw0m485I/TFDVNrjy0vysTG70iXLOjAeL/s5gpwnvzlLyB+2YP4QhmFO9+tAwVjyCCg66Setc44S93YZheOu937aSclgMPNj13OLYh3s2HybNrwmfB1BMufZXDI8LQAhyl2z0UMVOEZ3lKGGLgAJLcgSLewP1B97KOxns+eGn92GVHc5l1hgD6wtK1dIAP7rUc8FPKv7YqAQJ5bdiJh+NgMYmHSTYsH9XjYV/PHEHpEWG8SB4bcYzlTBGe5SnhnInS+kDPQ2LPLRPo9RFRMt8/Aet63VpNdOuxd4JuKV+rk4VQy18jjrBUY2eEIzyeEuxs7S3hYeSO16MI17pG/XfPBy89H7usl8wUswhgdHkixGghYNgq3OJrNwhL4OyH2nkT1nrDgz6ZnMqI84LjmDdeIvCyh4QhZoqw1VNSAbZ+Gtz6MHRCMN3XThG2EvR5wZq6FBu2fOxyu2XMoReB+CwJTGahX7USznSFw9Y64IUB4cVoGDHfNK7dujyTvaM9YY+nhApYvSU92clU6ShRvHibIuyld3r6tR+8tH5EdJt1vLsXAZ3EgrB9MXIY36tCo/MdLcJrPrcOJi29JeT1YPgXT9BRhLe1PsuXIGJv2PMR0W2W8W4S2DGBkSK81lMCvpbe0lJM2LOtccePdYpptRn12CjvR0SnVIiFksAIAiNF2OspqQds+TS4ldXS6ghL4N5aDtORAAmQgInASBH2ekqoAO5Z+jS8qZJRIkwcIBSRWyesHvdS4N5bHtOTAAmQwCKBkSLMR0ECJEACJJAQoAizSZAACZDARAIU4YnwWTQJkAAJUITZBkiABEhgIgGK8ET4LJoESIAEKMJsAyRAAiQwkQBFeCJ8Fk0CJEACFGG2ARIgARKYSIAiPBE+iyYBEiABijDbAAmQAAlMJEARngifRZMACZAARZhtgARIgAQmEqAIT4TPokmABEjgP1dN5VvobtioAAAAAElFTkSuQmCC" data-latex="{^{lim}_{\Delta x\to 0}\frac {f({x}_{0}+\Delta x)-f({x}_{0}-\Delta x)} {\Delta x}=2f'({x}_{0})}">
C:<img class="kfformula" src="data:image/png;base64,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" data-latex="{^{lim}_{x\to {x}_{0}}\frac {f(x)-f({x}_{0})} {x-{x}_{0}}=f'({x}_{0})}">
D:<img class="kfformula" src="data:image/png;base64,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" data-latex="{^{lim}_{t\to 0}\frac {f(x+t)-f(t)} {t}=f'(x)}">
已知<img class="kfformula" src="data:image/png;base64,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" data-latex="f'(1)=2">,则<img class="kfformula" src="data:image/png;base64,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" data-latex="{^{lim}_{\Delta x\to 0}\frac {f(1+2\Delta x)-f(1)} {\Delta x}}">=( )
A:-2
B:0
C:2
D:4
函数<img class="kfformula" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAN8AAAAwCAYAAACR6697AAAG7UlEQVR4Xu2cO6xuQxTH/7dFoUGIxLOQKGjEI4ggGgQVQpB4REdCITQatyJBJR4hQlB5R+MZEkRDovRq0SjQkt/NXsydM/vbM3P2N3u+fdckX+6555s9s+a/1n/NWmtmnwPy5gg4AosgcGCRWX1SR8ARkJPPjcARWAgBJ99CwPu0joCTz23AEVgIASffQsD7tI6Ak89twBFYCAEn30LA+7SOgJPPbcARWAgBJ99CwPu0joCTz23AEVgIASffQsD7tI6Ak2+vDZwr6V1JJ++4eXwm6bIdX8Mc4t8h6cXKgbaKoZNvr1bul/SLpLcqFeaP9YUAeoSAf/QllvxuZ0Ih3SqrN+PZEXk+7TUC8J1vrwVBvut3xLBczM0IkEKw6xHNdNecfIerhByJz6MZmvpQ0pUZ/bzLXgTA7jRJZ2wZnK5TCCff4dqHdIQpfDa1+yQ9KQ/ba7nzo6QvJd1aO0Dmc92GnMjv5DtciznKuljS45LOd/wyKbBctxx9Liadk+9/6I+V9FJGvveYpN9WuPOtLYwmfSDnI0LpsrUk302SrpF0tKRvJB2MEHlY0qmS7lkIKYoszL9JWXdKOkbSn5KeX9nO95WkCxbCfhvTokec6bfbGHyOMVuR72pJ1w3EwoBThvvPcLZ2wxwLqxgjR1nPTqyhYtqiRwh5bxueOH24DPCUJHLQ44dQ+OOEY8uZZD/kM8fKPH9LOkrSe5JeDyZGxrMlHTfk1MgdtleC/5ALstZ7g/HOHBxjOOamdY2FnNvEMAfn//q0Ih9G+7KkLyTx893RrgE5UdYjlYZTtOiRzlP5ATvzd5LelzTmQOaQY9MYb0p6YsDRMKOi98MgF6HjFZU7ci35IB4yPDjIhfwY+AOSzJEi60WDflPFqhBbnDBRESQ1m2FMyHlhZoV0UwqxTQyL9N+KfORJEIuWqnQBPn0ISzHusJlyixY2dH4nk8yEm1Q6ORNKNYznnGCsJciH03o7wgdDfTWoGu6nilhLPgjPdbxwJ0OX6NTsyyIGsMX4CfFD2zP7MIfyk6TbAzLzXMppj9mE6ZGwM2zbxrDIRluRz4QycO+S9EIgaUohRQvZZ+cxZdmwofPgd0uRL8yHcUqvSbo5Cu9qoagln+1U5lyZn92NZoQ0/NgRP48chvW38Jnwn500DktLbATS4Uy5JhiTb5sYFmHfmnyxRzRhl873xpRlhvFrZOBT5LPQqkgZQ+fU7p8aZwzLmjl5ppZ8PMexC7sVZ3efRI41lGdThEM/QstbRsLmEhuZSiFCpxru0LXYVT3XmnwoihZW1XrO9/DUlyZC1ynyVSmj8CHCPVrJLRt2jxNH5oFAX498R3V3bB7L78IreWO5O2ExbexmC9//nJjLdvmcmsBUChEusQbDQjWNd29NPrzXc9FxgnnDucKnKXDi859N9//YXU4ZKm7huBQDMDbWQsNowzB6SoY5vgfLHGPMnat25wvHx5E+LYlKbGxbU07WQlKKLWEIy/i2I14S5YF8F18hK7lSNjeGuVgf6tcD+aZi+TkLLhCP/A7C8UkpLwfApXc+mz8OUcPCRs46wj6l5GMuKqvxLjaGTYpAYS5toXrKCUOSj4Id0Z6DaKZHy9tz30rZBoZFmLcmHwqmLG53+mzXC4EtWkBlZxRkHjI3Pwinak2+uMyeyo3Ccn4NLKXkiwlhc6LT84JjBvt9nLOB4QlBSD+W71nIaUU6O6cLCyccpBsJx/TZAsMi3FuTz3YxCMhh7O9DSToVahQtpLAzxOPlSgotNeRrfbEawyW0JVe2PDQ8monP1QrhONS9lHzheZnNlzrzC8lnBKIfP4d55FS+Z7YKiZ6Jwk8rmHG+N/YKUQsMi3BvTb5YuKnqV9FiCjpbUo7Scl8hYni8NYUJLgnQ2LGp8sXnbwWiZHUFp8sHAjIf+SUO4NphfgYJD6SzBo06lZIvvCliQ+FMP0jkZXyPvGBNn5S8kCN1xEBfu/3C1cQ3EkcrFnKi17G3UlpgWIR7S/KlcoSS8nHRwjI6oyTCla7v/2WsY64upeSba945xjFnyr8783drWpIvlTTjjVIVrDkUMjUGpDtJ0lVTHY+Q7wkjl7pXOwfEOFIO1XfmrxC0JB+hgxVa5r6dUaM8QpWzJD1U87A/0x0C3Iz5fri0351wKYFakg/C3Sjpr0EQrkbF9zhbgmbJebfve7UEYwVzseOx83X7ClGMcUvy9ahfCNjdn5TrEagdkGnndHmkk28HbMpFXCsCTr61atbX1T0CTr7uVeQCrhUBJ99aNevr6h4BJ1/3KnIB14qAk2+tmvV1dY+Ak697FbmAa0XAybdWzfq6ukfAyde9ilzAtSLg5FurZn1d3SPg5OteRS7gWhH4F4h3fkB/I6vcAAAAAElFTkSuQmCC" data-latex="y=\sqrt {4-x}+sin\sqrt {x}">的定义域是
A:<img class="kfformula" src="data:image/png;base64,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" data-latex="0<x\leq 4">
B:<img class="kfformula" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAIIAAAArCAYAAAC0EFDbAAADgklEQVR4Xu2ava8NURTFf6+npJXwB6jER1CgEQQVQjQ+Wi/RUQoVCa2PRggdgg4RJIiKmtejJFqyXs7Jmxwz986ZOW/ezWTd7r65c84+a69Za+89bw5/jAAwZxSMgBAwEcyDRQRMBBPBRDAHlhCwIpgNVgRzwIpgDiQI2BpMCVuDOWBrMAdsDeZAHQKuEcyLFakRTgH7gZ8B/zXAM+CO8/EfAi+APUPhMqQiXAA2AYeTwz0CPgFXChx6O3ASOBMI97zAmn2W6BrPOeD6kK8AhiKCAHkL7ADeJcjGa1KKronbBxwDjgP3gQc91uqT+Hhvn3iEx1Vg8xiJcBnYDWxpQPkD8BK4mJmFo8AR4BBwC7hbQ7TMJXv9vEQ8wurHWBVBfverxhYi6rKH1RmeqFpD8q+nRuQpYSt9GFAqHq2zCvgN3B6jIuiJ/wKcbUD7ZlCMDVOyoTpDT8zHIP83OmYverduXw88BbSWvHltINirFgQrFU88hnAQRiLEKInwN0j3JCLoCa+rWZS0vYBAf1yoy5ACXQs2Ij9X5zIPfA21hRRMVjZUPCKCzvc57G8iJE94BEQKcKlQAain7kmyloiqIvNE2P8b8L7yPYa1HPFobZFxY0WBTIQaqZcVlFSDKL9xKxV46jLUdTxsYTWl49GWWrNaKJsIExIhMgggDaOUuK71QbpFTGxuK10qHtUl3xMSjpYIklq1h32LRSWxVIUeCaF6QJ+uU7w+8aj+2VlTlI6WCOoa1BI1gd0lGfLV0wVmCKoPSrSgXeKRGq0D/iQypdF7nI3okmqkZR3D58phCwut/YkOLC9uag+lGPLn3IFSLLQOhrmCugq1XW0nlPHJS6eaaR2Rc24Roms8aVE6VH4G+3f22KLVjZEnXctJQNpmxvawusY9YGuFkPqusXQVcMWzrSMpq3u1iafpfKO1htgn76qxB9lCm+FNDilUyL2pGTfLBiSzGnVHf5ZaRYLqb+cnTEBzYqj+timepvVG+9IpHlgH1BvI6InywtcFO4BpiVJCREaRYSH4rmI6EL7r/pV8XyEl0NhcwzV9VGArznTuMe2c2dcH86DsyHzDoAiYCIPCPbubzToRYtHUBcE+/98wrYiblXi6xFF7z6wTodhBvdBkBEwEM2QRARPBRDARzIElBKwIZoMVwRywIpgDCQK2BlPC1mAO2BrMAVuDOVCHwD9/ocostJEA8wAAAABJRU5ErkJggg==" data-latex="0\leq x\leq 4">
C: 0<x<4
D:<img class="kfformula" src="data:image/png;base64,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" data-latex="0\leq x<4">
<img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/singleselect/shuxfxfs/20061012/18130a22.JPG" />
A:A
B:B
C:C
D:D
<img class="kfformula" src="data:image/png;base64,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" data-latex="f(x)={x}^{3}-3x">单调递减区间为( )
A:<img class="kfformula" src="data:image/png;base64,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" data-latex="(-\infty ,+\infty )">
B:(-1,1)
C:<img class="kfformula" src="data:image/png;base64,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" data-latex="(1,+\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="{^{lim}_{x\to 0}\frac {sin3x} {x}}=(\, \, )">
A:0
B:<img class="kfformula" src="data:image/png;base64,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" data-latex="\frac {1} {3}">
C:1
D:3
<font face="Arial">函数<img class="kfformula" src="data:image/png;base64,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" data-latex="y=sinx-sin\left | {x} \right |">的值域是()</font>
A:(0)
B:[-1,1]
C:[0,1]
D:[-2,2]
设F(x)是f(x)的一个原函数,则等式( )成立。
A:<img class="kfformula" src="data:image/png;base64,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" data-latex="\frac {d} {dx}(\int {f(x)dx})=F(x)">
B:<img class="kfformula" src="data:image/png;base64,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" data-latex="\int {{F}^{'}}(x)dx=f(x)+c">
C:<img class="kfformula" src="data:image/png;base64,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" data-latex="\int {{F}^{'}}(x)dx=F(x)">
D:<img class="kfformula" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAPAAAAA8CAYAAABYfzddAAAIxUlEQVR4Xu1dOcx2QxR+/lYiKIjO1ikshVhipxF7hRBLLKUlVERQUBG0llhCUNmjsYYEUVhqayUoUKjJ45/z/2Pc5Zy5c987c++ZRPL93pm5zzxnnnfmnDlz3z3w4gw4A80ysKdZ5A7cGXAG4AL2SeAMNMyAC7hh4zl0Z8AF7HPAGWiYARdww8Zz6M6AC9jngDPQMAMu4IaN59CdARewzwFnoGEGXMANG8+hOwMuYJ8DzkDDDLiA/2u8EwA8C+BHAPcD+Kph2zr0DTDgAt5v5CMBfAngcgCXATgLwIkbmAM+xIYZcAHvNx5XXq7A/E9WXv7txRmolgEX8F7THAzgBwAPAHisWms5MGcgYaBGAV8J4KWAc1f4uGV+NWyZ3e91mTTDwK4EYiXkBQBXAzu7LcXtM0XMldiLM9AMA7UK+DsA34SAkoXM0wFcAOAeS6MQdWbk+WxjO2v1XHzpcx4E8A6AT6wAZqhfE5ac4TVtk1oF/DeA2wE8brAIDXFnhugZqGL0mf4vj47mKrn4uvBIX49UIOKasFht17xNahHwhQBuAvAFgEODeK3YuO1+C8DLRiteD+CZIPzXjG0t1XPx9T2DsYKLAFxjATFT3ZqwWIbYvE2sIrGQo61L8VJ4nIxvA8jxf28M7XmGay30f68DcFTYSlvbs/4T4Yvnt9DHQ0knU/AN4WHgjdw9bQB9G4CrAJwM4HsAxxjalsZS6NGd3bRkk2weahDwZ2Hyy0Tiv382boU5kV/JWH1JHH3fIyYEzOgDcgUifuJgMCzldQq+IePyuVcYuZL+cuMMQzuCXCzZE7inYas2MfNQg4Dp7zLoJKuW1f+lH/Nc5krC7Cue/340IYBFvE8CuAVAlyim4NMYlM/kDsIS0CKmjwPn1oDfEKYcLJoxWuu0aBPrGP+tX4uAZftMTCSfuLjV0wSxWO+kTF9Q/F9+AfBva5Ez66GA2xR8Gjx0ORg70HAl/RETE1a4lbbGDIYw5WDRjNFSp1WbWMa4r24tAhYcsf/LvzUBmimThpOYk/mOzAwsbtXujvz3LiNMwacxas4XRE6cYS4smn4tdVq1iWWMVQmYAjgWAANAnwOgAd4A8G4Iao0NjD4zt7CWQI70yayr4wGcA+DDsQd1fN7n88ZVp+DTQGKA7GYAp2gqhzrc6tJ1ON/QRlM1B4umX0udVm1iGWNVAs4CHjWSLXdOP2zLcgiAPzI6oDhZhsSjwUef9NrQ19EA3gxbYq6uh4WI8ftRnCCFOvQM9nFxiDgfENJUGblmzKHL/50TSwbF5iYt2MQ8qL4GNWyhpw5GI5CuZzDr6gMAPwFgMEtbeOx1b6jMoxgW7hxYuCVPfUoNPq4akpQhx2r0q78NuxDuRs4biFn0PYNb5cOjlZbifDh8IfT5v3Nh0fKbU68lm+SMr7fNlgVMgTw6IQItwZI4gt5F9JiAeV75euIusM2LUQyAW95PB2ICXc+ga0J35IwkQj3k/86FhbyQL3KeU+hSpWfrXf3UbpOcsQ+22bKAJYEjN4VSBDIWydUImEdQUmQSjvUbGzZ9hhwTxV8CUn9oi0kBl8ZSfNIOdFizTWbhYRcC5lZ1jksCkrc8JpA+4iSAxeytnBRKbSTXik+iqBbbpM+QPrq+BOIz0rFJVQLL2DNKfl6zTUqOc19flkkyC4ACneYmD0gAKzeFUhMs4fCs+OjvsmgjxOLXxoE0YqN/ntqXUeKnQt65JmpfAksBE6u7qNkm6kFYKq5BwJxkfAGAZkIKNxLA+nPCHeDUT+3j3YovzUwbsydFyZU2Fjz7YGAtjY5zi8wjJ63dS2AZw1/y85ptUnKc1azAJd6+wUnJM2RLSqAEsBg8Yu6ytWiDJezXgk9WyDgzTfqIfdMYL7e5vMEVf963TY5XqLF7sKWwCNa5g1i128Q6x1T1td/Eqs4yK2n9lr7ucxL6JQNr7gAWMQ/h49hPjfK4u7jgEclpA19QXRcluG1/LxG1HE9J3jbPh3+Jjr3mwpI5LczNtAGspWxiHpCmQQ0CLnErhn1YrsUx64qvjc3NwLJ+6fThi7e6XBHPDEc/sgJrLpx39c3JfEm0hZbVlv9fBJymqs6FRTMPS9Sp3SYlxvi/PmoQsPX2URcR3KbyWqDmrJDtmXV1kMEXTJ+pDZZIuz58FNS5wV/l3Vz68XHmFNs/P3DTiO2ZhNK1vY7vw4qLwd0AX5zAZzGzK046mRPLLJM36bQFmxTnYQkBa96+wW9TTjr6drxpc2vIj+alg67SFYntI0uuEH4d3gGdQ6rlKIb9W/BZ8HDS3mW8Smjp31J3aSybtMmuBax5+wbFy6gy384hRz0MUDFYM4RX8obHglkSgeb1u5zMoJxECwpBi08rGvLxq/EaobZva72lsWzWJrsWsObtG0xvlJVWBEyf8EDF3VVuG9OtYToZmQByn/EdWAwUHRf8bE5W5iVbbv/EW+kxfBrxcMJy690Xmdb0UarOUljcJhN8wFzjp+eKQ/6vXDrvSgccen6aDpjWZdbVpcYbSMTJqC7PWhk04iqfexF+DJ+G2xJ9aJ6jqbMUFrfJQgLWvn1D7nVacoI1Ey7nd48kWESfnBFsy9svNJi8jp0Bt8lCAh57+wZXXl6j451VFqlPg2mjzH3Tgb+88HsQYI7/a59m3sIZmJGBXfvAmrdvcGvEYw4W/joDo9AsfxVY+SSAlXuBYUZTeNfOgJ2BXQvYjrBsCwlg5b6Boywa780ZmMjA1gRM/5VJHDn5zxOp9ubOQHkG1i5gJm3wZ1MYdKJ46f/69rn8PPIeF2Jg7QIWn/eGkHI418sFFjKfP3brDKxdwLQvz33564Ncefnydv8B763P+hWNfwsCprn4E6Iu3BVNXB/KXga2ImC3tzOwSgZcwKs0qw9qKwy4gLdiaR/nKhlwAa/SrD6orTDgAt6KpX2cq2TABbxKs/qgtsKAC3grlvZxrpIBF/AqzeqD2goDLuCtWNrHuUoGXMCrNKsPaisM/APW/G5bJ93l1wAAAABJRU5ErkJggg==" data-latex="\frac {d} {dx}(\int {f(x)dx})=f(x)">
若函数f(x)的导函数是sinx,则f(x)的一个原函数为( )
A:1+sinx
B:1-sinx
C:1+cosx
D:1-cosx
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="{^{lim}_{x\to 0}\frac {{x}^{2}sin\frac {1} {x}} {sinx}}=">
A:1
B:<img class="kfformula" src="data:image/png;base64,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" data-latex="\infty ">
C:不存在
D:0
函数<img class="kfformula" src="data:image/png;base64,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" data-latex="f(x)=x\frac {{a}^{x}-1} {{a}^{x}+1}">(a>0,a≠1)
A:是奇函数
B:是偶函数
C:既奇函数又是偶函数
D:是非奇非偶函数<br>
设<img class="kfformula" src="data:image/png;base64,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" data-latex="\int {f(x)dx=xlnx+c}">,则f(x)=( )
A:lnx+1
B:lnx
C:x
D:xlnx
曲线<img class="kfformula" src="data:image/png;base64,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" 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="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
在下列等式中,正确的结果是
A:<img class="kfformula" src="data:image/png;base64,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" data-latex="\int {{f}^{'}}(x)dx=f(x)">
B:<img class="kfformula" src="data:image/png;base64,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" data-latex="\int {df(x)=f(x)}">
C:<img class="kfformula" src="data:image/png;base64,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" data-latex="\frac {d} {dx}\int {f(x)}dx=f(x)">
D:<img class="kfformula" src="data:image/png;base64,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" data-latex="d\int {f(x)dx=f(x)}">
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
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,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" 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">
<img class="kfformula" src="data:image/png;base64,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" data-latex="\int ^{1}_{-1} {({x}^{3}cosx+x)dx}">=( )
A:-2
B:0
C:2
D:4
<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
设函数f(x)在x=0的某邻域内可导,<img class="kfformula" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAQYAAAA7CAYAAACZpiT7AAAJhklEQVR4Xu2dO8x2wxbHl1pOiaiOoFLoBIlb0AgRKkeOULiULqEiSiriUroU54Q4KnJCNAihICoKFUIlKF1a8ou9ZDLmPvPs2c9%2B1k6%2B5Hu/dy5r/WfWf9Zac/nOEPsMAUPAEPAQOMMQMQQMAUPAR8CIweaEIWAI/A0BIwabFIaAIWDEYHPAEDAE8giYx5DHyEoYAieHgBHDyQ25KWwI5BEwYshjZCUMgZNDwIjh5IbcFDYE8ggYMeQxshKGwMkhYMRwckNuChsCeQSMGPIYWYl1EXhg6e65im6pU1O%2BounTLGrEcJrjvlWtbxSRe0Tk1koB3xCRl0Tk7cp6VjyCgBGDTY3ZCPwuIjoPPxGRyxoF6qnb2OV%2Bqxkx7Hdst6QZnsBbIvKmiNziEMG/ROS15Wf%2BfluDt6B64jW8LiL/25LixyqLEcOxjtxxyY3RXiwi94vIPxzjfUVEvhSRJ0Wk17B7iWWriH4tIhesLZwRw9qIn2Z/hAt4C37u4BkReWiBxA0pWlEa0UZr36Pr4WU9LiKXOh7W6D6i7e2BGK4QkRtE5LFG1J4QkXdE5OPG%2BlYtjwAGy/jgGcS%2BEUY9oo28NuuUUA9KQ611el16OXZigBQe7ohLgUHbePpIyYGkG6vKgxvcsntURG5e5PtURL5PjFXMqAk3fhKRs0TksyUc%2Bb/jabgGsydiUL2m6HQMxECM9UVkQjFpSGr1JpyIT28SkTtWpeUxnbkJPLdF9vafneGGempBDnhlubkWMgDGlxWTbUh%2Bz4fnEWtvihGNGcaDelLVIuYGq7rBxgovLCsCK8O3jsup2ewXReQ%2Br%2B27F2Ou3fOOiYjrBsm83KjDrGoYz78jhgdp9JJmr14p%2BXKrvZ%2BDoDwE7iYwc230yj%2B7/hSy2wIxwP5MYDKvGKe7naWrzZUBNz%2BXxVbigGz4cEVThj8rq10rpz9RY4m92RNa%2B8fjYwxy5xNSBqDez6sZr26KER0Y6Ck6bYEYUFw9Aj9swPiZVL63QF7gP4ltHAjlkkD4QXvEqbEkGP3ftWKuoVVOf5V08wt4WbcHvAiM67wlF0H5MxeyvHxx192fc0ZcYwsliUfaSxmALhjolfKAphhRDRgNZafoNJsYND6OJc5ihsokx/BDOQFI4yMRCXkZ%2Bjvc0dDxWdxeiGONc/c9cur80lDLHUd0ABd/QunJQN/D4GdyESO3DX3iyhk05Qkb%2BFQO/s44f7V4evysekKoPrmH6jfY4eaqnCQxEEYwyDFDjV2OSRkwbV6XcF0xkPci25spwhk9Y3rkVFkwBkjVJQZ0%2BME5UahlFUt/ork/h4imR%2B9YYjTWpn%2BsGdm%2BWQqTgIa0%2BX4NkPdej0SfJDH4OYXSScgkIPwIJQrfFZGfE9ti9Eny6vpAZ8T79xbEw6Vypsr1yJmL3yFOPt%2Bj8ncI/J0Lfg8Go07ahYgrhQnlST7XemwaJrnexogxmtkGc5y82PkiwlYvntNqu2azQwmU56uNaVMsSpusLn5eQgeZHRA8itjkX4uhe%2BVEH43f/RWUf8d9P8czMh9vSPJcB39CN8g2tCLXGImGAM8v7aUONvntuluUpX1q%2BFRa3splEJhBDHrUE9E4mMMHI/IR65Zsr6WM101mhtSHGPAKYrqvRQy9cioxoIdvGKpD6N/dE4h%2BYlDruduELUZEO%2BwgkDje0yregsVR1plBDAqUxp%2B5o7IhYGcQA/ISz7d8nNTzV80RxMAKT9sQq0uoaph6OEhlTuUXKBNrr0XnrdUZPX5b02%2BoPDOJQePdkoy1r/QMYhgK/BIGhA5uaT85z2a0PNbefATYTv5noRgfFpZrKjaTGEpPxG3FY2gCOFFphMcwWqbe9q7ubWBg/e%2BWRObAJoNNaQK3pR9/Nw5i4E/J90FJodYyM4mhNfGoLm/sIBLuMNuRLclHzhY81ZAMbcG/R86W/taoc80anRT2we4Gf%2BxrQGAmMWgc3LIFw1Yf8XNouxLC%2BSWyHQlE1OWLbVcS2oR%2B1wBvskqPnKNlsfa2iQBe9YXO7dTa3btmrWYRQ0/iEWWJv8l4h95gcO9ehIBhpSZRF6vL3nHI2xidvOqRs3nAT7ji6PE7NJTsDLGI6QndnoW0WtZZxNCTeETJ1IUnPb0XOk2Z%2Bh3t5i5mVQOcqNAj50g5Zra1lavhMzGI9e1vNa%2BK1Sxi6Ek8KpCpt/AgnmsDIQEM/H7mEtWoU38lk61UTnTlBFzo/kdJPyPL6MMptIl31RIKuvJs4Wr4SHxGtYWH4N8hWuuMTfbxjFFK%2Bu30JB61LcIJ9%2B0Gvw%2B99/Db8gsmMZnc2HFbjJSMcCxpeSgsSuRkQvC1nPkYKTcYXeSQgfuY68h%2BrK0/L5C5c/UkPIbcVl3JxBi9gwBZPbLilesSHbUMqyofXtAhiSv3H7f4q1hqsuqrWLwCrd6FnoIMXQ1PXQv3k241z73V4Lzlsv4t2IPKOiOU0MRjy8GmkFdwdsdDsNoeicAfGy7vHHRwvMYhwqsyD6r2ykPCKxUehFzZmHvrh3puudDV8NS1cP9aec1zb72YbKE%2B44I3O%2Bq1sqxOaxGD/r8CxO%2B568ZZob0ChBTkDUruWITahqgOvRLX6hQqjxv/eeAdidGrJwYcuwZfQwyU5co0W8r%2BcfDQ1fDQtfDQNfDa595GYD%2BzjSk3R9ciBiYJh444H8BKQqzcasihQYIcWl3snrprTRi8hTsDOtY%2BlloirxpjKJ9RQwzuiUAIwk/qhq6G%2B9fCUw/Jlj73VqLzVsv4pLBaonYtYtDEXi4BuNUBmi0X5PXfQP6jdPXUJ%2BZr9SjJiofIggnMmxjswcceawldDfeT0qlr4KXPvdXqvJXyEDSHm9wEZOjlqoPIuxYxHER4a/QvBEaunrTFfyXHH//5u1KPwU9ShraWQ1fDS66B1zz3dsxTRHeifB1WsdlVOjnm0TkS2Ueunrkcg%2BtFxHYl%2BHcel%2BXDS3RP8CmkoavhPvGEroFr7oJ2cs%2B9HcnwbU9MI4btjUmNRKNXz9yuhP7PUrp9mHt1u0YXK7shBIwYNjQYDaKMXj1ZoUMhhCuakgGewKpbaA34WJVGBIwYGoGzaobAnhEwYtjz6JpuhkAjAkYMjcBZNUNgzwgYMex5dE03Q6ARASOGRuCsmiGwZwSMGPY8uqabIdCIgBFDI3BWzRDYMwJGDHseXdPNEGhEwIihETirZgjsGQEjhj2PrulmCDQiYMTQCJxVMwT2jIARw55H13QzBBoRMGJoBM6qGQJ7RuAPczNJWsmunR0AAAAASUVORK5CYII=" data-latex="f'(0)=0,{^{lim}_{x\to 0}\frac {f'(x)} {sinx}}=-\frac {1} {2}">,则f(0)是f(x)的______
A:取得最大值
B:取得最小值
C:最大值
D:都不正确
曲线<img class="kfformula" src="data:image/png;base64,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" 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)">
设函数f(x)的定义域是全体实数,则函数f(x)f(-x)是( )
A:单调减函数
B:有界函数
C:偶函数
D:周期函数
若<img class="kfformula" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAMAAAABDCAYAAADK%2BApxAAAHDUlEQVR4Xu1cPcxtQxRdrxaJRkQnoRaJAomEhI4IFUJHlH5aalo/LTqCiggd8nRER4voRNRqsuTMy2S%2BmTN7Zs7MmXPPOslL3v3u7Nl71t5rfvacu69BjxA4MQLXTjx2DV0IQARQEJwaARHg1O7X4EUAxcCpERABTu1%2BDV4EUAycGgER4NTu1%2BBFAMXAqREQAU7tfg1eBCiPgVcWkXeNomxvbWvs0tysxNY97TQPaOuGIkAZoo8BeBHAUwVinwP4AMDXBTJbNC21dS87txhrdR8iQBl0PwC4v0zk/9a1chWqbojU6KyRabFxd1kR4KoLOHN%2BBeALAE8CN14XeQbA04Wzv%2Buds%2BtnAD7t4PGYvSlbPwJwF4D7APwYIXNPOzsMvb1LEeAqhgyCuwG8DOBmL2hbgqOFPDkvx%2ByN2fo2gG%2B8rdi/AD4G8LynoKeduXHs8r0IcBV2BgZn/3Cfz7%2B34NUqnwqQmL0xXZz9/WDnofedyJh62blLgOeUtjg01/dRv2cAvAHgrWAArYHRKr9GgNDemC7%2B7dUgI5Vqd5q4GD1QHrK4/wwdMQNZXgfwhLc//jNYBVIBzJn1bwC3Avhp2Tp9CeC1jQkUYrRmb8zWMM2pFaBxSa8JWu4xP4noTTmjRkeLDIPqzQQuqW0Fx8MUJ7/nw9k41kePFSBlr0UX23AL1JuoLf7oLjt6BeBs%2BVwiwEiOHlmSEhDX7IsFFQ%2BWLoAcAR4PDs9OfyhPWa6EuefZFVxS9uYIQN13JDJaOdmcvYf6fjQBUgfMWUD7bdnOxHL9a4HhVrAwq%2BKPq0dgpezN2crgD2f%2BFFFn8U0XO/YggL//Zw6bM1y4KjCg6CS25b%2Bblj32A8sWyv9cczFVcqC0BAbTjrwzWJutexCg9MDucHXBH1t1e9i5FrwPArh3we59AB92ifREpyMJ4C5sfJ0uNReC7m4kwxUj3Ldu7Sz2lwpibhv4%2BDMnA%2BrX5eKM37mxcW/uZ5Fislv4OWVvTB/x5yWY/17SKDtTY%2BW9xO8AvlsmNr5mcrEEcHtenwAMoL8iB2OXsQgD3P8cI1RLUKUO6H6f4asCtIcO5PPzkgXi//8JAq3HKwY5e2O2xvDx/dHDTqtPiOVFEyC1X%2BUqwMe/pOHnMMMRZor4/QsA7rQinGkXI2gowjZ/FL7dGW47NjIXOXtLbe1lp3W8F08At18NZ0e3jN8WmTUJntvjc599u/eZhOJyGfZnBdy1c9uY95b%2BwguwsD8S1qU%2BLbrCG1iLzFqbEntLbN3aztJxnoIAXG5DoN22JvZ3/4YzPPA5OT8VWQo627MfZm94mZXKjNT020vmaPZacbh4AnDG5g0p30L08/3OoeGsurb/J6ip/qyAq91cCFw8AeaCW9bUIMCDt%2BXyLtY3J7%2B17aUIUOORBpmHGmTPJPr9oMGKAIOAdmoeHqzvqOquDzJcBBgEtNTMiYAIMKdfDmsVA4rPyNv%2BFrBEgBb0JHsFAUeALUmgQ7AC7VAI8F0bppeHvl9TiZBWgErg1sRyVRA6qJyqy61fFuw5OBFgY3QtVRA2Vjldd7MTgO9z8bV3VuHgT2X58JVoPi%2BNQPMoB6QYFrlKZtYqCCNwlo5JETgyATjD84fo4VukDmrOfpYqCJO6psmsewDcEvQwKp/fZPho4dEEsFZQsOLAIOdvcGN1N61VEKy6Yu1Kis%2B26MnJnrKwbQ4Uy/cjCeC/mutSdKkKChbb2cb9KCZWxyfsgzpjVRCsusJ2pcVna/VY5FLbwaPdBVjGummbkQSwVlBwtYNKB7pWa2itCkKpHtd%2Bz19PxWyO2cM06CMHugyr9UW13EgCOCMtFRSsA2JfrOHJf6ny4z1%2B6bRHDc1cSjdVu3T2TJDV113a7UEASwUF62DXzgDsw1IFwarLb9dSKLdGnyWlG5KSs/8vSyJgDz/XjHO4zEhgrBUUrCDkskCWKghWXbHzxEjsrCldf7Z3%2B/9vATxaO9BLlxvpRDrEUkHBijl/Eba29fHfhfH73GLMo7cV1pTuaLusvpq23RbBMO3gOhqWCrSt07z%2Bucmv56PCths5VwSoAzJGgB5p3pR1qZSuVoBCf4oAhYAtzWOBZk3zthbFVWHbOp9FpUSAOjDXZtot07yhdbmUrlaAQn%2BKAIWArawArqct07y%2BdZaUrghQ6E8RoBCwpXlLodwajZaUbq8CvDX2HkZGBKh3VW2h3BqNlpTubK9m1IxzuIwIUA95afHZek15ydzZIN/DSVuIAG2OLyk%2B26ZpXXrvwrY9x9a1bxGgK7zqfHYERIDZPST7uiIgAnSFV53PjoAIMLuHZF9XBESArvCq89kREAFm95Ds64qACNAVXnU%2BOwIiwOwekn1dERABusKrzmdHQASY3UOyrysCIkBXeNX57AiIALN7SPZ1ReA/sbm5U0yJUpEAAAAASUVORK5CYII=" data-latex="{^{lim}_{x\to 2}\frac {f(x)-f(2)} {{(x-2)}^{\frac {7} {3}}}}=1">则函数f(x)在x=2处
A:A
B:B
C:C
D:D
曲线<img class="kfformula" src="data:image/png;base64,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" data-latex="y=2{x}^{3}-6{x}^{2}-18x-7">在区间(2,4)上
A:单调增加
B:单调减少
C:有最小值f(3)
D:没有最小值
<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
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,iVBORw0KGgoAAAANSUhEUgAAARYAAAA/CAYAAAAlmecFAAAJs0lEQVR4Xu1dOcx2QxR+/laDguistaUQS+w0Yq8QYomlRaiI+BVUxFJaYglBZY/GGhJEQRQqa4mCSkueZI5M7n+XObO87533fW7y5f/+77333DPPOfPMmTNn5j0AXUJACAiByggcqCxP4oSAEBACELHICYSAEKiOgIilOqQSKASEgIhFPiAEhEB1BEQs1SGVQCEgBEQs8gEhIASqIyBiqQ6pBAoBISBikQ8IASFQHQERS3VIJVAICAERi3xACAiB6giIWKpD2pXAfwEVSXZlsXJlN2JzEUu5oXqVcB2A10QsvZovS++N2VzEkmWfnXjoFQA/AHh0J1qjRqQgsDGb90YstwDgz68A3go/KYDqnkMReALAPR0BcyqAFwF8CuBvAAc70n0tqm7M5j0Ry3EAvgVwGoAnAZwC4Pi1WEx6NEeAgwnJhARzF4AjA8E0f7Fe4EegJ2LhaHUEgKujUYu/69p9BBilcjCh/Uku/D8HGl0rRaAXYqFD/QXg1hAOrxROqdUIge8A8IeEoqsDBHohFjrUC2Hqw5BY1/4gwMjkFw0qfRm8F2JhovaCEAq3RPgcAJcCeKDwJY8A+ADAF4Vy9DhwNwAmHZlPazWoyO6VPa0XYuEqAENhkkuri851L4BrKrzAZD0ucilGs/WgIrsXm+hQAT0QC1cBuBr0cOMlRq7xvwfg9Uo4sxjpcgA3VpK3r2JYKfpZw0FFdm/gWZskFjrI16ENZzraYqHwhWE1yPHo/7c+A+AoAH+GcHpYFHZbIIEa0Uqs35uBrJ7PUbrSM18FOWdssco21/atBxXZvZKTDcVskljo4B5CMV0ZCl9VMMdmvoPRw4kA2NG5RD1sN//+RsVoxXTne691Tq9Yo3E9ABLBz0HvGubfyB6RCUVzbW+DCgmfflD7kt1rIxrk9UAszK/w4pJzzsUO9SyAOwH8BOD7QUfnHPulih14qCPfeXNGrmVM15z22zM9EosNKiyKZI6t5iW710RzIGvtxGKhcO4c2zZdceR7agJHRginN8yFcA7/zcz7x9Si038e9vGUrlD1TCwcVA5vNIWT3feYWKx+haRAcvBenAbdH/In7088nNPxPXrkODCfYaUpp0S1ksm9RSylg8qSjWT3JYQKPl97xMIyfk4juFmOHc17TeVUYjmc/3Oq1CrBygThHc78Ep3+hsojdW/EYoMKp6ktKm5ld29vcty/dmLhvJqbDXNXhGxFZC5pvIkO530H8yusNr3EYculW706LMnzfJ6TvLVBJafMwJb6qeM/YTWQBYtx8eMm8PC+Y2fsvmZisf1BdA6PnpcBeDB4PVdWeNkyN6Oe4dQixfjMedwUZJ0A4N2QM+GU5eiwgvPxzNkmc++gjCvCCtBh4fAl1tNwSXwsv5KrS0o7PWThuTeHWHIHFU59GSXGCXP+/7mgsPlSCh65WBs2e2t3T4f1ONLYvV7nYpXtJwB+y9zJaolbds65w4xSHIxTKquiJXGx4zPn8yMA5m4+BHDxDAFOvYNTnmOiyISO/Fggqqn8Sq4uKe0stfHU817bUw715eU5HmEuN0V5XGWyWqUUPHKxXiKWnbf7momF2+MfAvB2qD3xOj1HLiZvlxKgSw7G4jrqECd/+cyr0UoSQ9gvZ1aWxt5h+p07WIqey6+U6LLUTsOXhJyTKOfz70yQuJdYcgYVW0mLycPaZJ/Fg8wSHiVYzxHLWu3u7V+z96+ZWKyGIWeOzUanJkBTHIw1MHHH41mxS4QVAz98hzl6TE52/1xeiM6eq8tSO6s61kCYl1isMM4zqNgK4FhpwVgks4RHCdZTxLI3dl8zsXAn67GNE7d0AG8BmzlwKnY2vYkTyCZjjJzigr6lzu7RZakjLb2r5HMvseQkbvmOqW0LY4OM7F5i0YVnUztHDRU8zhUnbj1z7GGUMBYRDNvC/AgjkNTlZt7PK3XFholDEkh8/1QnsCTj7Yn6eHTpiVhyErdsH5P0YyuA/OyjgQ1k9xq9ekLGWoklZ44dNzE1cctnGPJyc2JqhSuddCkhHOvCqIIbIOMpzFQnoC6seUm1i0eXnoglJ3E7FelZsn24yia77yGx5MyxY5hSE7d8xrNR0CIKHocQJ3OH8/FYl7GNblOdIM6vLB0+5NUllVi2nbzNHVQ4tWFUEhN4nGsbRoGy+x4SS2nFbWri1qClU3L38/CinLOiz8bkckQ8eybiGZM91glsZLUNk0w4/h7V3ZTqkkosLdzNMw22iltP4pY6W/1KbEfLQfHzsShQdm9hbUfIXeP1Hufid8ecv4HErbWLEQeTxcN6l3jKwgjivLCEbRHL0uljdHae2TocRfn3K6N8gEUn/LsRC4kkPiSqVJdeiIVFjCTVnG0c8bk7tC2LFpk/m8q9yO41evaIjNS5fI3Xe4jF5ti5+nlWVti2sZUbGwUvCo7Js1GY4I0rZXnPyzNHIrDN9018HncCy/EwPGfIznexU8RVwiSdEl16IZbSQWUs12ZkPfRj2b1Gz+6EWOxU9tKjEjx1JoTGyvNTk7hLJmEY/ofzuIQlmSWf90IsNY9KsKnr3Cqb7F7iVRPP5kYEOaqkRiw84Y0JT09hHO8/OeRC2KFZXp9zWh2jiGGkkNNWRh6MLoZToBxZtZ7pgViszMA7qAzzT8TMclYpp/DJ7rW8LMhZI7FYKb9nR3Ncp8CEHKOO3HNM5lZ4UuGvISP1Xan39UAstiLkGVTYfrYtLuUnqTwdgEk9va+GzWrISLVn6n1bsfsaicVK+T2FcZYkZb0I5+hTp8WlGmMX79uKgwUgU6PVnEHFcmH2lavcIX5SOIJ0Lv+1izYea9NW7L5GYuHqDOfZPEFMVz0EtuJgTmKxQWWTflkP4XVK2ord12ZAm2PnHkW5TtNKq1QEOKjwp+UX06XqovsKEFgbsVjittXXPRRApUcbI2CDije/0lgtic9BYG3EYsVRa9MrB1s940PABpUWX/Xh00R3FyOwtg7MXa38aXF4cjFYEtAUAQ4qJBdLwjZ9mYS3RWDbxEIn4vcys3ybqzk8QNqzzNwWHUlvjQDzKUzYctMpfye55HwbQ2s9Jd+JwLaJhSs/JBRGKPydSTsl7pxG7Ph2rlgwp8IolYRCH7Bvvuy4WVJ928RCC3AnM7/tjnUrDIXlWPvjlxxQ+MPELf+t/TWq+4Pkylq6BmJZGSRSRwgIgVIERCylCOp5ISAEDkFAxCKnEAJCoDoCIpbqkEqgEBACIhb5gBAQAtURELFUh1QChYAQELHIB4SAEKiOgIilOqQSKASEgIhFPiAEhEB1BEQs1SGVQCEgBEQs8gEhIASqI/AfAJ7zXuOLcxQAAAAASUVORK5CYII=" 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}}">
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)">
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,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" 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,iVBORw0KGgoAAAANSUhEUgAAALEAAAArCAYAAAA31GngAAAEGklEQVR4Xu2aS8gOURjHf58sWcrCDjtlocjCpbBDshCKLFxSCmUhbGzIQrmlRBZKoeQSskGKhWIhpSjsZaNcFjb0r3MYr7m97zefec7MM9s5M+e5/OY5z/nPGcMvj0DiERhL3H433yOAQ+wQJB8Bhzj5FLoDDrEzkHwEHOLkU+gOOMTOQPIRcIiTT6E74BA7A8lHwCFOPoXugEPsDCQfgdQgXgO8Ad4mH3m7DswD9gObgR92zfxjWSoQTwaeAheAiykENnEbZwD3gXUpFIwUIFZAbwNLgW+Jw9GW+VuBVcCnYMA04G5FQZgEnAWuAw/bMrzOvNYhVgV+BGxPoSLUCXgLYw4C84G1A3PfBJ4DR0tsSiL+1iHeB3z2FmJk9BcBT4DFoR3LvijeU4W+VzKD+R7ZMsQK3g1gjrcRI0N8BFgOLCx4w7PQKhwqmSG2FS+sFhPLEHsVHpnd3w8+AL7ktBJxgFqKqcCKiqnUimywqlhYhTiqEaoQFjYVe4DdwMyQbNl0paQyKeHrgblhM/UVuAOcGj+XQ71BlfYVsKPgqfOhUs+qeKtWRakVSyzuTaxCbEniuQzMDtAKxumAlmldgvnwQL8ZwdCGKSsH6kNQa1QE1FB01hz8M8iSZRBr01zFgfIhX3cZKSp/uV9lfM1YNT7MCsRRmhrc2WtTdClU5g/AlgCylmddg+NjgAS/xv8vrbspiK2tjA7xEJ+cqvC5nJ29XpEF+RbwOLQcEeiiaVSp/1c1bgpir8RDQBOHjvrla8k+OcJ8eiRPaqoCbmX4aRCn3AhcrZhf1bhMDRjR/NzHmoTY7B88q+2EMmJBnaiCWHZmP5y9NTZvdd7ZFMjvQw873o2d2qMTVuVOyxBbENnrACclQkpFvKp+HuS9U5BIE9e1rcGeWeqENqNFEpokOF1lEpv5cyuWIbZQjdUTbyopi7EvPg2sDnJVdqM3+KjG78x5p1ad42HwMeBAQ6VYrYs+siIJTZVa7U9Ze2O6CitO1iFu+xCK1Alpw0VJzqoRRYpFlkeNLzp4E6txk5U49ux5q0PZvWizaX04GmkdYtkpkFXpzrQktGv5fz3Q6wpuHayRdprtNwWydGP96tUl+D8CUwBt+t6VVPaJOq0nO5fltAxqJXS4qugAkBWZs3JRSgHiCHKbxwK1eVO7IBh1jFF/wa6VKBGCXNBGmNVi6EMs+mM30SuO7NdJtu+BCPkgSbDIHgv7kUp4U6rEWWfUO760+NeodsT/Hdj2SjNokdqaBQ325eMITb1HU6nE9bzxUb2MgEPcy7R3y2mHuFv57KU3DnEv094tpx3ibuWzl944xL1Me7ecdoi7lc9eeuMQ9zLt3XLaIe5WPnvpjUPcy7R3y2mHuFv57KU3DnEv094tpx3ibuWzl978AgoyzyxH3hE6AAAAAElFTkSuQmCC" 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,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" data-latex="y={e}^{ax+b{x}^{2}}">,求dy=( )
A:<img class="kfformula" src="data:image/png;base64,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" data-latex="(a+2bx){e}^{ax+b{x}^{2}}">
B:<img class="kfformula" src="data:image/png;base64,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" data-latex="2bx{e}^{ax+b{x}^{2}}dx">
C:<img class="kfformula" src="data:image/png;base64,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" data-latex="(a+2bx){e}^{ax+b{x}^{2}}dx">
D:<img class="kfformula" src="data:image/png;base64,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" data-latex="a{e}^{ax+b{x}^{2}}dx">
<img class="kfformula" src="data:image/png;base64,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" data-latex="{^{lim}_{x\to 0}\frac {\int ^{0}_{x} {co{s}^{2}tdt}} {x}=(\, \, \, \, \, \, )}">
A:0
B:1
C:-1
D:<img class="kfformula" src="data:image/png;base64,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" data-latex="\infty ">
函数<img class="kfformula" src="data:image/png;base64,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" data-latex="y=2{x}^{3}+7x+6">在定义域内
A:单调增加
B:单调减少
C:曲线上凸
D:曲线上凹
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
设<img class="kfformula" src="data:image/png;base64,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" data-latex="f(t)">是连续函数,且为奇函数,则<img class="kfformula" src="data:image/png;base64,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" data-latex="\int ^{x}_{0} {f(t)dt}">也是奇函数。()
A:错误
B:正确
若一个函数在某点的左右极限存在且相等(设置为A),则函数在该点的极限也存在,且为A ( )
A:错误
B:正确
无穷小量和有界变量的乘积定是无穷小量 ( )
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
有限个无穷小量的乘积是无穷小量 ( )
A:错误
B:正确
设数列{<img class="kfformula" src="data:image/png;base64,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" data-latex="{x}_{n}">}有界,又<img class="kfformula" src="data:image/png;base64,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" data-latex="{^{lim}_{n\to \infty }{y}_{n}=0}">,则<img class="kfformula" src="data:image/png;base64,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" data-latex="{^{lim}_{n\to \infty }{x}_{n}{y}_{n}}=0"> ( )
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
<img class="kfformula" src="data:image/png;base64,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" data-latex="f(x)={sin}^{2}x+{cos}^{2}x,g(x)=1">不是相同的函数 ( )
A:错误
B:正确
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
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