电大最新易考通资料-微积分基础

单选题当( )时，<img src=/exam/2020-4-24/B0GYZM77yFdX9vgU7dK7LfMC5kzimNoailxDc9RmshOmRTOaT.png/>为无穷小量。A.X->00,B.X—>-00,C.x->0,D.x-*l答案：店名单选题下列表述错误的是()。A.y=0是无穷小量B无穷小量与有界变量的乘积仍为无穷小量C以。为极限的变量是无穷小量Q.当x-0时，f(x)二sinx是无穷小量单选题计算定积分<img sre=/exam/2020-4-21/skDhVulsTZx4KesW8zmdCZ8rcDRakbc6FqnZC2qSAsl6FGSYgR.png/>()oA.-1,B.1,C,-2,D.2单选题设 <img sre=/exam/2020-4-24/l6F9F5WOK6k5jDfnVk3zOVtMgyqw8PeEOaevfBgsk3VdrOhjCO.png/>,求dy=()dxoA{$$}\frac{l}{\mathrm{c}\mathrm{o}\mathrm{s}\mathrm{x}}+3{\mathrm{x)}A{2}{$$},B.{$$}-\frac{lX\rnathrm{c}\mathrm{o}\mathrm{s)\mathrm{x}}+3{\mathrm{x})A{2X$$},C.{$$} -\mathrm{tan)\mathrm{x}+3{\mathrm{x)}A{2X$$},D.{$$}\mathrm{tan)\mathrm{x}+3{\mathrm{x)}A{2X$$}单选题设y=In2x,则dy=()dx0A.{$$}\frac{l}{\mat:hrrT^x}\mat:hrm{l}\mat:hrm{n}10}\mat:hrm{d}\mat:hrm{x}{$$}B{$$}\frac{l}{\mathrm{x}}\mathrm{d}\mathrm{x}{$$},C.{$$)\frac{lK2\mathrm{x}}\mathrm{d}\mathrm{xX$$}.D.{$$}\frac{\mathrm{l}\mathrm{n}l0]{\mathrm{x}}\mathrm{d}\mathrrn{xX$$}单选题函 数 <img sre=/exam/2020-4-24/cFi3rQmRfrZuWttic4FNzSWkWNIAbGNfktTld44YFnBhK0vaF4png/>^x=2处切线的斜率是0。A.2,B.{$$}{\mathrm{e}}A{2X$$},C.{$$}{\mathrm{e}}A{4}{$$}1D.{$$}2{\mathrm{e}}A{4}{$$]单选题设 计 <img sre=/exam/2020-4-24/RMVaulUpEtnW9f342HUQCnCSmigvjLiZYLjratqvmpRugZbe8s.png/>,贝ij<imgsrc=/exam/2020-4-21/RliMyge8scllc95WYpeBsWVYuNlGkGqMYhqkxa0EPxXRSRO5v5.png/>oA.2x,B.2,C.l,D.4单选题已知某曲线y=F(X)在任一点x处的切线斜率为<imgsrc=/exam/2020-4-24/CKy4ipadbJknMr4ytRwbFclLdT4KYlvwhzEBmeaxCZv5AimvrR.png/>,且曲线过(1,1)点则该曲线方程为()。A.{$$} \mathrm{y}=4\sqrt{\mathrm{x}}+3{$$},B{$$}\mathrm{y}=4{\mathrm{x)}A{\frac{lX2}}+3{$$},C.{$$} \mathrm{y}=4\sqrt{\mathrm{x}}-3{$$),D.{$$}\mathrm{y}=4\sqrt{\mathrm{x}}+l{$$}单选题已知函数<img src=/exam/2020-4-24/wF9vEMg0kl6to9VcUiXqOnQOAhd8hF5F3zW6k6O5HovO8je6Co.png/>,则该函数的原函数为()。A.{$$)\mathrm{y}=\frac{lX2}{\left(l+\mathrm{l)\mathrm{n}\mathrm{x)\nght)}A{2}{$$},B.{$$}\mathrm{y}=\frac{l}{2}{\left(l+\mathrm{l}\mathrm{n}\mathrm{x}\right)}八⑵+2{$$},C{$$}\mathrm{y}=\frac{l}{2}{\mathrm{l}\mathrm{n}}A{2}\mathrm{x}+\mathrm{l}\mathrm{n}\mathrm{xK$$},D.{$$}\mathrm{y}=\frac{l}{2}{\mathrm{l}\mathrm{n}}A{2}\mathrm{x}+\rnathrm{l}\rnathrm{n}\mathrm{x}+\mathrm{cX$$}单选题下列无穷积分中收敛的是0A{$$} {\int }_{0}八{+\mathrm(\infty }}{\mathrm{e}}A{-2\mathrm{x}}\mathrm{d}\mathrm{xX$$},B.{$$}{\int}Jl}A{+\mathrm{\infty}}{\mathrm{e})A{2\mathrm{x}}\mathrm{d)\mathrm{x}{$$},C.{$$}{\int}_{l}A{+\mathrm{\infty))2\mathrm{x}\mathrm{d}\mathrm{xX$$},D{$$}{\intL{0}A{+\mathrm{\infly)}\mathrm{sin}\mathrm{x}\mathrm{d}\mathrm{xX$$}单选题计 算 <img sre=/exam/2020-4-21/C9vDUDbun7vkJRopNMy0aTPawYlcTKsNXrGw0dlEH7rk3XbDrl.png/>A.{$$} x{f}A{\text{1})\left(x\right)-f\left(x\right)+c{$$},B.{$$}x{f}A{\text{}}\left(x\right)+c{$$},C.{$$}\frac{lX2}{\mathrm{x}}A{2}{\mathrm{f)}A{\mathrm{\text{1}})\left(\rnathrm{x}\right)+\mathrm{cX$$},D.{$$}\left(\mathrm{x)+l\right){\mathrm{f})A{\mathrrn{\text{,}}}\left(\mathrm{x}\nght)+\mathrm{c}{$$)单选题设y=ln5x+3,贝ijdy=()dx:A.{$$} \frac{l}{\mathrm{x}}\mathrm{d}\mathrm{xX$$}.B.{$$}\frac{lX5\mathrm{x}}\mathrm{d}\mathrm{x}{$$},C.{$$)\frac{l}{\mathrm{x}\mathrm{l}\mathrm{n}5}\mathrm{d}\mathrm{x}{$$},D.{$$}\frac{\mathrm{l}\mathrm{n}5}{\mathrm{x}}\mathrm{d}\mathrm{xX$$}单选题下列无穷积分中发散的是()。A{$$} {\int }_{-\mathrm(\infty )}A{0}{\mathrm{e}}A{3\mathrm{x)}\mathrm{d}\mathrm{x}{$$},B.{$$}{\int}_{l}A{+\mathrm{\infty)}\frac{l}{\sqrt{\mathrm{x}}}\mathrm{d}\mathrm{x}{$$},C.{$$}{\int }_{1}A{+\mathrm{\infty }}\frac{l}{\mathrm{x}}\mathrm{d}\rnathrm{xX$$}.D.{$$}{\int}_{0}A{+\mathrm{\infty}}\frac{lX{\mathrm{x)}A{\frac{3}{2}}}\mathrm{x}\mathrm{d}\mathrm{xK$$)单选题下列结论中0是正确。A{$$}\mathrm{f}\left(\mathrm{x}\nght)\mathrm{在}\mathrm{x}={\mathrm{x}}_{O}\mathrm{处}\mathrm{ 连 }\mathrm{ 续 } ,\mathrm{则}\mathrm{一}\mathrm{定}\mathrm{在){\mathrm{x}}_{O}\mathrm{处}\mathrm{可}\mathrm{微K$$}B函数极值点一定发生在其驻点上，C.{$$}\mathrm{f}\left(\mathrm{x}\nght)\mathrm{在}\mathrm{x}={\mathrm{x}}_{O}\mathrm{处}\mathrm{不}\mathrm{连)\mathrm{续} ,\mathrm{则}\mathrm{一}\mathrm{定}\mathrm{在}{\mat:hrm{x}}_{O}\mathrm{处}\mathrm{不}\mathrm{可}\mathrm{导}{$$},D.函数极值点一定发生在其不可导点上单选题下列无穷积分中收敛的是()。A.{$$] {\int }_{0}八{+\mathrm{\infty }}{\mathrm{e}}A{-3\mathrm{x}}\mathrm{d}\mathrm{xX$$},B.{$$}{\int}_{l}A{+\mathrm{\infty)}\mathrm{l}\mathrm{n)\mathrm{x}\mathrm{d}\mathrm{xX$$},C.{$$}{\int}_{l}A{+\mathrm{\infty}}\frac{l}{\mathrm{x)}\mathrm{d}\mathrm{xH$$},D.{$$}{\int}_{0}A{+\mathrm{\infty}}\mathrm{x}\mathrm{l}\mathrm{nX\mathrm{x}}A{2}\mathrm{d}\mathrm{x}{$$}单选题下列无穷积分中收敛的是()。A.{$$]{\intL{O}A{+\mathrm{\infty}}{\mathrm{e})A{3\mathrm{x}}\mathrm{d}\mathrm{xX$$},B.{$$}{\int}_{l}A{+\mathrm{\infty}}\frac{lX{(\niathrm{x}+l)}A{3}}\mathrm{d}\mathrm{xX$$}lC.{$$}{\int}_{1}A{+\mathrm{\infty}}\frac{lX\niathrm{x)\mathrm{l}\mathrm{n}\mathrm{x}}\mathrm{d}\mathrm{xX$$},D.{$$}{\int}_{0}A{+\mathrm{\infty)}\mathrm{s}\mathrm{i}\mathrm{n}2\mathrm{x}\mathrm{d}\mathrm{xX$$}单选题设 <img src=/exam/2020-4-21/vhc89BRAuFJcYHTMPcsX3jxjToxaMKXWbFDNr56Yb4Lrllb00j.png/>A{$$}\frac{l}{\mathrm{x}}+\frac{lX{\mathrm{x}}A{2}}\mathrm{c}\mathrm{o}\mathrm{s}\frac{l}{\rnathrm{x}}{$$},B.{$$} \frac{l}{\mathrm{x}}-\frac{lX{\mathrm{x}}A{2}}\mathrm{c}\mathrm{o}\mathrm{s)\frac{l}{\mathrm{x}X$$},C.{$$}\frac{l}{\mathrm{x}}-\frac{l}{\mathrm{x}}\mathrm{c}\mathrm{o}\mathrm{s}\frac{l}{\mathrm{x}}{$$},D.{$$}\frac{l}{\mathrm{x}}-\frac{lX{\mathrm{x)}A{2}}\mathrm{s}\mathrm{i}\mathrm{n}\frac{l}{\mathrm{x}}{$$}单选题微分方程<imgsrc=/exam/2020-4-24/3Epetm5NPYiwmgb6Nlbo7YEWJeYT4iiqAgNcwlsOgo87yrogbO.png/>的通解为()oA.{$$} \mathrm{y}=\mathrm{C}{\mathrm{e})A{-3\mathrm{x}X$$},B,<imgsrc=/exam/2020-4-24/sadHB7Y3AwzzGBYPUFie5s6DNeodCznXQYrbZUJhk8B0AWhaRL.png/>,C.<imgsrc=/exam/2020-4-24/U5wBE78nWpcV14DXWfXBvCQBc92HrS5loltOx9EmAodsiJGvOP.png/>,D.<imgsrc=/exam/2020-4-24/8EEpnmnt3U8PB337FSSIndFcmGq8a0C66ze5TU2o5R0fUUfFfH.png/>单选题函 数 <img src=/exam/2020-4-24/rYlk3lKv0j3GM2DR4mDFsjBlhSmfF5nsblST7JLxv9N5HkVATQ.png/>在区间（-2,2）是（）。A单调减少B单调增加C先单调减少后单调增加,D.先单调增加后单调减少单选题<img src=/exam/2020-4-24/JbbnKosllYYBPEfRcex9xxZfXTRzmPbpHn6OIAcoRmQ5yOg6aP.png/>A.sinxdx,B.cosdx,C-sinxdx。-cosxdx单选题曲 线 <img sre=/exam/2020-4-24/7igi7EeWsPbU8mcagLhGmhaRWlTIJJjzBftlMEcGBdD3Xtcuua.png/>S（1.2）点的斜率是（）。A.2,Bl,C.<img sre=/exam/2020-4-24/aVUkAEXofrBTwpa3DwlJS0lcqawlli3kQCIZn5BNXBtZmTd4kC.png/>lD.<imgsrc=/exam/2020-4-24/ruA4O6lglfritXZDhEbHcJxHeySOInHz3sWvDeatZcgwfs4TXm.png/>单选题设f（x）<imgsre=/exam/2020-4-21/lqJtwGKU9TtRGkOikl9m38ch8AX8i7cAouhCtgkcXlm3cxQ6ib.png/>A.2e,B.e,C.<img sre=/exam/2020-4-24/bWc5wykwXey3xlByGcP3A655PCKzH5LDTw0aCawX5WM2lcH8XW.png/>,D.<imgsrc=/exam/2020-4-24/HrafHy9akVyY4Zs9VR4vOI7mEprFUIbrEtY5ngp6cim7EhCWfM.png/>单选题当 <img sre=/exam/2020-4-24/AEt0ihlrvm8X7xDd6SHcMQvlaAVwGG8Nvfd4NOgalB3NW2OOfO.png/>,下列变量中不为无穷小量的是（）。A.<img src=/exam/2020-4-24/MxTltteaomSOvlqjfEGytcCEWGfJGerT21Aew99KgdOGE4OHJf.png/>B<imgsrc=/exam/2020-4-24/qwoMvXVPLIYysDqElkBP50ARI71gM5z5SlqaKrdFldNjHMiG7s.png/>,C<imgsrc=/exam/2020-4-24/Th9EGApme4qKD6AByLHUaBKOAy5sxZ0qgXvsJ76ETRXDBGiu5Y.png/>,D<imgsrc=/exam/2020-4-24/Ryxb6Rok9LWYIK3cJ2bueYeAv7ISYmZUXfFB3ivyCJWct7lflh.png/>单选题^y=lnx+cos3x,求dy=（）dxoA.<img src=/exam/2020-4-24/zejlDTJ2eWT5wsYxbs7kHus5hq3bwGQxUZUvnUPYZvqjxke0Da.png/>,B.<imgsrc=/exam/2020-4-24/qjKT5JcLpOYIOD2NjN4aylnulEzfHo5XXuQPH6kR7wT5okoBLkpng/>,C.<imgsrc=/exam/2020-4-24/OWRwYlmgVzpLgDTqLPxBXxGoHTVUTDO2PxpdrJoyBt6hzGlluT.png/>,D.<imgsrc=/exam/2020-4-24/SeyHfcslZXFiwklLKG89gPEF8oxe5XoPGYTGhYyGFp>o<x8uBoM.png/>单选题下列无穷积分中收敛的是()。A.<img src=/exam/2020-4-24/u3uhVtR80gEHpF4Wn4Ax4FK2RKpnFEPpAdLUiORVllGQetRDLu.png/>,B<imgsrc=/exam/2020-4-24/fcbt3eNg4l2WrYNTIfy3hPBumhWLn2bg6tSg05eJhwhCQ4nFjp.png/>,C.<imgsrc=/exam/2020-4-24/stW3qxDeOwmDr6WlbElrdjwRZgfBRAmx2hmlyOVx\/6SJTVIpks.png/>,D.<imgsrc=/exam/2020-4-24/jMXtBwOS6Rh3AcTZOJWqYnRldkxYpyO6GGOPvvPgrlvcRGlglV.png/>单选题微分方程<imgsre=/exam/2020-4-24/3gGfRcBtxVp2NPQtE4IYxRinOG5topkB28NitNEnyna7m9PAzt.png/>的通解为()oA.<img sre=/exam/2020-4-24/khQQLv5WLgtKBG1VHmFscFWUnRHonXLvH32CTIdFeFsbMjjmh8.png/>,B.<imgsrc=/exam/2020-4-24/yDzjTNSlaDt0NNu6F3QwC6ybAIF64ZopTTsFilfV60GqExqoe4.png/>,C.<imgsrc=/exam/2020-4-24/ZDqDLxSrnhfqBNuPcvltV7mnpWfylArp26AJsNEbwqKifQul9W.png/>sD.<imgsrc=/exam/2020-4-24/D6IR3Ur5Gp2f2bgfDflmFlqYalTJyrcXz5ahFxqhRslz3loXEs.png/>单选题已知某曲线y=f(x)在x处的切线斜率为<imgsrc=/exam/2020-4-24/gkvSLru0abVjPhyutrdoaFAlgTweTziJx9a8MdbnzNRope6kPR.png/>,且曲线过(4,3)点,则该曲线方程为()。A.<img src=/exam/2020-4-24/zDkhWAnArViFYFQegxSkujKqbbKF3XPaPXSgrMSWMYhltKvoli.png/>,B.<imgsrc=/exam/2020-4-24/SFIvFMC8P8WkDlxrTbFtlOQYVWBqOxQgi5s日dCcRU2xYCnzdb.png/>,C<imgsrc=/exam/2020-4-24/ck4e5acBrzvTzpU8CNVaMly6IAPZATZ0ibLheaXHeAD5gDykV7.png/>,D<imgsrc=/exam/2020-4-24/exvRs7hzG5sbGIQfEAEXVACPfEectpQkFal9CouyGDqTh5SlxW.png/>单选题下列无穷积分中收敛的是()。A.<img src=/exam/2020-4-24/d6xEAjGV3QGXn55Q5BIVII3r5bEMtYC0QPcR8T8Zz2ytPggKTH.png/>fB.<imgsrc=/exam/2020-4-24/ru6UZ9r3mYgAFCuOIII791dBNKY0tozratlicyURDTM0p03CZ.png/>,C<imgsrc=/exam/2020-4-24/x5jdgNka2h6IS29jDOpKRZC3La3oOIDg7IVmAmojEsOjXTKhZA.png/>,D<imgsrc=/exam/2020-4-24/gbDExloTaGy3WeKZNSjZDqF0FkmhYBYH0nlk929oPpdec8Y7f0.png/>单选题<img src=/exam/2020-4-24/PSlgOgdCBdbvRNTAVu5LeBk]Alx7Kvf3OopBXhTtjGtaDXGQMH.png/>,下列变量中为无穷小量的是()。A.cos2x,B<img src=/exam/2020-4-24/z3wl7IOBi44jOcq2PNmg583Q25e75PlegzkAwZFwDrellZQNBM.png/>,C.ln(l+x),D.<imgsrc=/exam/2020-4-24/kBuNk4qsP9EzmjpMNqElylryi218PxLHby4HI6IVuzF9iDWb0V.png/>单选题设 <img sre=/exam/2020-4-21/auhaLc2VfkfjF7c4VjXDDQf0uVYUVrJmfRFZUqaYGBdFaTBKwF.png/>贝ijdy=()dxoA.<img sre=/exam/2020-4-24/kdclFqsnX9ZVyDubSLPoBhiBJbnANbAflVvgD7OmlKlLZN4Lcj.png/>3<imgsrc=/exam/2020-4-24/NXucVbYDgmpxp3iASjo2CE9zAXbA71t3eNIKA8eYelfLyl3IT乙png/>,C<imgsrc=/exam/2020-4-24/kthMbS19AGznwekl6wgEBRFj7CJgrluz9Q4xjJRq9RG0PaUCCP.png/>,D.<imgsrc=/exam/2020-4-24/wlVpGsEW6TZfvZzWIHN5adoRf5fZ3hNOnFfcjxjQPRntkmhM5W.png/>单选题若 <img sre=/exam/2020-4-21/TklYV8Rx7Elr8u0SuLyNRyHhn6R7qPlbY5H9gB9WH0toVMG2T6.png/>,贝ijf(x)=()oA.<img sre=/exam/2020-4-24/4XmCGC9wQix8FnldryiGdfHMgrpZQeaxDc53vxoHXNq7RXg4yM.png/>,B<imgsrc=/exam/2020-4-24/3cjynrlRmkR9XpnyBXlgl3X29Qg55iGZEMi9HaYGXQ2tmtkDn8.png/>,C.<imgsrc=/exam/2020-4-24/gRIDkkjljy4TJgXOYID7K89hC0o0lag6KnCApJ2knhYW7sH9EP.png/>,D.<imgsrc=/exam/2020-4-24/82ezhblgB0C6meXcgB4VHMDxXCGq4TDH0iHNEvSGwLjZjQBolu.png/>单选题下列等式中正确的是()。A.<img src=/exam/2020-4-24/F5ODmkW5FVQDdlhPVzgNpGUEJBmhBNouMJkFhZEDz0MVTsZGLf.png/>tB<imgsrc=/exam/2020-4-24/Rmkr)CSZNunxtHXeSZAUFsvhv3wlBf44jV10SykD8fsFydJCeEd.png/>,C.<imgsrc=/exam/2020-4-24/HsB2ujrl65vRXouCuZDxSxacgh7Rwy6NqKKNdHIRIHYTIR3CSo.png/>,D.<imgsrc=/exam/2020-4-24/W7HjnLzvVqelNXUnxRmyAEARg9HsLqkLcZ3XKx7uzMQbQRJytj.png/>单选题函 数 <img src=/exam/2020-4-21/F71EnoQlsbvAlldgx3L7bpe8redH5t3g8YkUHBcF3Z8IE7vZdU.png/>的定义域是()oA.<img src=/exam/2020-4-24/C05RbAzKgZL6CklU2jQBdCJ5IBux7pMHKsLFvjhdw4612ZcDVC.png/>,B.(-2,-l),C.(-单选题曲 线 y=<img src=/exam/2020-4-21/IW02PErrSYKwVUyDuNFifsUPkw8DxAxkdzypHf5669i7IVplrD.png/>^^(1,1)处的切线斜率是()oA.{$$}-\frac{l}{2X$$},B.{$$}\frac{lK2}{$$},C.l,D.-l单选题下列表述错误的是()。A.y=0是无穷小量B无穷小量的倒数是无穷大量C以0为极限的变量是无穷小量D当x-0时，f(x)=xsinx是无穷小量单选题下列无穷积分中发散的是()。A.<img src=/exam/2020-4-24/P4dV2osAOxblhwhAxlSx7XDlQ2AVD2GV9AQDLDSBawbETUSVJf.png/>,B.<imgsrc=/exam/2020-4-24/2snCXxh0hKWSZGIGKTnZR25GTfiWjPhK6UTpAstelgNyLn9qaJ.png/>,C.<imgsrc=/exam/2020-4-24/l9HA9yjfixVjE2luRPMt0hCEvCx2iv4l53t0mH17xnF9GLKBWw.png/>,D.<imgsrc=/exam/2020-4-24/hSeWpeOORulfc4Kblgp942KyaaP3aoXdLmPTsypOGgbXINigBU.png/>单选题下列微分方程中为可分离变量方程的是()。A.<img src=/exam/2020-4-24/wkq6uzAXa6Ja91cnOYSLXMAYClOc8Bjgv8pAd6ozqbXY8a7yBH.png/>,B<imgsrc=/exam/2020-4-24/taKI0VnBUpJFCDZQO4nmlvaAZTXkl\/cnpkm7HysgAfzNlAwq\/.png/>,C.<imgsrc=/exam/2020-4-24/XS0Mciis0qXhY2BDEkglbf0M7UJ3pUBVqbdMoFnSZbxjAVeE.png/>,D.<imgsrc=/exam/2020-4-24/YsCuap7DyANgWKsZMhlxGFrpDW6DelJIDDS3dgbMt9DSTDpawl.png/>单选题函 数 <img sre=/exam/2020-4-21/Y3DI2Ml8kLbgNndq6bzWV5Wle8hNtuEu5woWD4Bj8agU0e0oZo.png/>A.<img src=/exam/2020-4-24/zeMwAyBt2FQyPt3leBE!Ji8PPRaXliQ5nCWYWalaqNZJMPuYDs.png/>,B.<imgsrc=/exam/2020-4-24/AdryefgK6aF0ITVTlYDHpqpoBtzdd7tYvH58DeCbFGg2lnA3os.png/>,C.<imgsrc=/exam/2020-4-24/DkMQEaHUYGZtOXqtDFaUCJFzAXUEKeBe3SPtHoAGBvlmltoYUD.png/>,D.<imgsrc=/exam/2020-4-24/wDwVUjmaHYAPFcLOdOPCIdfYyJU8cQNKXFnFxdZWQwtqCgvha8.png/>单选题曲线ywy+l的通解为()oA.y=ce*+l,B.y=ce*-l,C.<img src=/exam/2020-4-24/zjLZzqJnPU6k7FdCZKKks5GZINBdngRBqoa3ojfywdFwfaaLIE.png/>,D.y=X+C单选题下列结论中正确的是()。A.f(xo)=0,则x。在必是f(x)的极值点Bx。是(X)的极值点，且f(xo)存在,则必有f(xo)=0,C.x。是f(x)的极值点，则xo必是f(x)的驻点,D.使f(x)不存在的点x,一定是f(x)的极值点单选题已知某曲线y=F(x)在任一点x处的切线斜率为y=<imgsrc=/exam/2020-4-21/13KMZcr^qdWBOd6kjtWZkjKQHt8NTmPxwxAWEWz9ITfYj7HYB.png/>,且曲线过(1,1)点则该曲线方程为()。A.<img src=/exam/2020-4-24/IFqPF05QurAAiZiAAVsEFlAleTG5al60f9mSaJ6o0eOJyziaPl.png/>3<imgsrc=/exam/2020-4-24/zJ5iKTG2V3SrlM0YglmjyLa66EfjCgSpmyUPslEdG2A3LGTgO.png/>,C.<imgsrc=/exam/2020-4-24/2j9YphYasGyDoMpb5ow2u>o<TdcLYt0JAh8e9Fw6dXKNX8xAvcZ.png/>,D.<imgsrc=/exam/2020-4-24/w517KHRkZGepRtFOnJkbuSCSijux7LY8gB0vmJD27Kfp8UWPos.png/>单选题下列无穷积分中收敛的是()。A.<img src=/exam/2020-4-24/SVBeFlgpRxF45QgDQIIXXFtXOEWV]fAbYH4HYjhly2tBEEiYsB.png/>,B<imgsrc=/exam/2020-4-24/euOPfPUf\/3noWfpVDduRdY4ZcvNhsPxkpgCk8jl5EuxNoz3MbO.png/>,C.<imgsrc=/exam/2020-4-24/JPKJm4nQYRuZfi8D2HD6ZyDzW6PjifbhO23a2J4ZUi7Ej9OYU8.png/>,D<imgsrc=/exam/2020-4-24/734rCj3s7R7iZf9BqElWBWz5bCyULAtHqnEm2A2mMEfKXfqUNK.png/>单选题下列微分方程中为可分离变方程的是()A.<img src=/exam/2020-4-24/tY99Sw97mLeU3pYFM6CCMIE4BcvRltoloThyAW7WzNP6zPI7LD.png/>,B.<imgsrc=/exam/2020-4-24/ol3kH2mNwsey41hoM6tG5EsZBLZBSi8h0wHI0UuRGhkWBV0FcV.png/>,C.<imgsrc=/exam/2020-4-24/Z903kTqlh8BxNelMBqEFLzdwKT00RcjzfYJdyzXCwFM8jTGBuq.png/>,D<imgsrc=/exam/2020-4-24/pDOGk0lpnMlld295aJcfjSLMhlTE2qGq9J8sA9lw05vRzbCNiR.png/>单选题函 数 <img src=/exam/2020-4-24/vR4s4oUQlX9BXrBLDQZN3DiqqVKJaqaDuODfkMJun3BCYJ9AmV.png/>的定义域是()。A.(-8,-2),B.(-2,-1),C.(-1,4].D.(-2,-1)U(-1,4]单选题曲 线 <img src=/exam/2020-4-24/CEAYAjnAWFUY0nlbNU0gWxBF637aMiZdFpnoUnXRQgZwu50Moe.png/>在点(1,1)处的切线斜率是()。A.<img src=/exam/2020-4-24/GVK7lnpAbeflVMGk3Swk8qTYI5CEIIXI9kt7hNuhHAEsDal8HX.png/>1B<imgsrc=/exam/2020-4-24/vhHXlJj8gpajTjCFf2UzKLYarxkF5ExpMAR47P7jCoZgljNDaW.png/>,Cl,D.-l单选题下列等式中正确的是()。A.<img src=/exam/2020-4-24/Qkn92fgwEZMJORxaTWxHrcxglUVpeNIW7NqVncuo5oCqtoget8.png/>,B.<imgsrc=/exam/2020-4-24/JIKDlN7BFdAxbJzFUi8cfrUWPcD0qZFsgzf979pbXYU0gUxQFk.png/>,C<imgsrc=/exam/2020-4-24/FyFQfKLoB5UHNBwnTD9qWLY7tSelWePOuMsAyrsVaBgw3rs3xe.png/>,D.<imgsrc=/exam/2020-4-24/5NYOFusTINO3TNax2G2LN7h9gq4suaNsLSIlwbbXW0KtTF60VU.png/>单选题已知某曲线y=F(x)在任一点x处的切线斜率为<imgsrc=/exam/2020-4-21/lhUFb2w3WsAljdBwG7odXd4HSoWvsffdCDUd8agOheDiJScvTw.png/>,且曲线过(1,1)点则该曲线方程为()。A.<img sre=/exam/2020-4-24/k4BgdB2Kb3PlCljD6wXBflyEdUM5aFizhbVGlq6L14nYglFKv6.png/>,B.<imgsrc=/exam/2020-4-24/JXyEfGSqAXHAwewyreTSERI8J8hOIHtONyvBbMisOXqFkXJver.png/>,C<imgsrc=/exam/2020-4-24/OgJ9hKyCiy2yNEncHtQjpX9nWGwSoucKolKHqCPpVRLhe7C9yc.png/>,D.<imgsrc=/exam/2020-4-24/BjlwrL6pkpXciMz2TNCj6DRPKTkolxWRTIFs4SakKI37BWvBvh.png/>单选题y=<img sre=/exam/2020-4-24/rdSzUwM5bTfrAl8cmobqcyBD6wAiAydlo5IQ0bATD6ESR9VDSZ.png/>^x=0处()。A不连续B不连续但可导C连续但不可导。连续且可导单选题计算不定积分<imgsre=/exam/2020-4-21/FxWOaJVuLx4JNbe3urc7Kz4RjKyBJwagzBe4Ke6fwltkqstLWq.png/>A.<img src=/exam/2020-4-24/da6zVrfOBVysLnisKqcHNamjoczm7JegvkTTPJAqFKdCbNklv3.png/>,B<imgsrc=/exam/2020-4-24/Su4JIYlT77pj6hBd0xfAzlop39mYCD7PkLUWky3KQP3LqbTMnR.png/>,C<imgsrc=/exam/2020-4-24/DwuXNQCExoMpl6nJxoCwnwJW6sdRDjY5ljZtvYd5Ynno8ymYWA.png/>,D.<imgsrc=/exam/2020-4-24/zOd9csHAUIcOhCob7GfPnlbyOX6CzyHe81UvoZi6vMXTPqfKCV.png/>单选题下列无穷积分中收敛的是()。A.<img src=/exam/2020-4-24/STpCtOypeGGenGVnjnPXaBzUsgUOAZaQsN6tPgigyQRsAKsUPS.png/>,B<imgsrc=/exam/2020-4-24/OEGiyJh9N2wQVglKFanaSkDzgkBqcYNTWnlNbfGJw6wo7OwlmN.png/>,C.<imgsrc=/exam/2020-4-24/eeRGNipDBg3OHMil2Gc6uGNT37H3MTGJ7Up0TG6dzhjl8dil25.png/>,D.<imgsrc=/exam/2020-4-24/qKSKdGh0tJiNjTCWbQ5xdSCseTatsTKCJGxxAwPfLLtK84gfij.png/>单选题若 <img src=/exam/2020-4-24/XS6JKtQesjnYi499ihfHqdYU4RWbaSyA7PTNWnUu7SmscVKdlR.png/>l贝ijf(x)=A.<img src=/exam/2020-4-24/u2nCcW66vUMg2l8GlskoPgjK2C73jQ8jxPXcmTruAg7cnPpCjb.png/>,B.<imgsrc=/exam/2020-4-24/wGvlVoxsQalwiqCB20zM8r5bhPp0NjlnHpnGgitvMrTmmpEGFS.png/>,C.<imgsrc=/exam/2020-4-24/p8HQLh7j2LnDzhQyw2gpneNDIeluflTD4ZY64YI5mCyUWri0rM.png/>,D.<imgsrc=/exam/2020-4-24/BbgDRZbyC5ihSABr3hVByruYyBEpb77vu994qByaMUZHqv9n0s.png/>单选题设 <img sre=/exam/2020-4-24/IME2xqfEolOiqgLT2bXOWjOyAvWcUmUA82Ha9Qoh3wtgcx7Hgj.png/>A.<img src=/exam/2020-4-24/hLGuiwMZJzXElb6rsiL2aPfdU7saYhu8P\/SrczyEHjuBQPuDALpng/>B.<imgsrc=/exam/2020-4-24/TMhSys4oYwSukSXOA6lgd9itXLOK4hdHBrqljikOMlvxxAONXP.png/>,C.<imgsrc=/exam/2020-4-24/TvlJhpRoplvQiM9tiX8QuGpYoQMYOkw2Tb8zlbMOJSerBv7eNLpng/>,D.<imgsrc=/exam/2020-4-24/SMPZjlXzK0OljTMWSwkewUCyblBtgWwFjQNKEFpdDWPEg3NlfC.png/>单选题微分方程y”y,y(0)的特解为()。A.<img src=/exam/2020-4-24/KvC2iMkCt4XxsA2l8IMjDdm4PsqgauWRO8Dv6Z8YDAiUFhfkPZ.png/>,B<imgsrc=/exam/2020-4-24/LnxaiQGL0jLiRgXfzyZbcYzxj0C899yxVIFgrJOFrMi2O71f51.png/>,C.<imgsrc=/exam/2020-4-24/2QxmnZ|zZxBVqRmZLpVJbJRvzCX：O77WkTsCwQH5M4clvgfXlfb.png/>,D.<imgsrc=/exam/2020-4-24/nSB2yfMu7FlZtXAmqhsGUU5w3eluZHArsn8YyJrzw2LsyWVP30.png/>单选题设 <img src=/exam/2020-4-21/gAaMS0GE5laJlWg2iCwO2SZrK0RtYRcy5ZOCsX3FpiWsmwKXZg.png/>A.<img src=/exam/2020-4-24/oEcnyd9SAa2TvJ5ZPbrfvftCJfKwan]JS0pF7xEFcK8SsApl3P.png/>,B.<imgsrc=/exam/2020-4-24/ag81a9bNOTQxAWwekmnV7dyJ9MmrhsyuOmX5ouYnu8PQjpdKuJ.png/>,C.<imgsrc=/exam/2020-4-24/dxCgkzl9d9jAksf9jmlKSa0F5Ctv37xJTAVGJ69B4NGd7gUfkx.png/>,D.<imgsrc=/exam/2020-4-24/75XPkw4joPwbNsPzqkdNjQKsEp4716cOHVZZpt7vandFAcL8fF.png/>单选题设 <img src=http://A/exam/2020-4-24/u2zrXVXeBctZO4TTTRPz0gqfBgA9jp9fyGFhEXEfe50mtqlOvl.png/>A.<img src=/exam/2020-4-24/3u0BrudlwDvRfR1384RA3OiSBPbluMYFTNhffYPVG0ds9uxpjv.png/>,B<imgsrc=/exam/2020-4-24/LAQpB5l6cHE2gfmE4X07k7d7Lmt9hRTrr4ylzbU8Vd4D9F日Zn.png/>,C<imgsrc=/exam/2020-4-24/SmXblHGeYN46s39dDD5bxNsp9wQkpmOQpe9Wv9zu9wvM7m8KnF.png/>,D.<imgsrc=/exam/2020-4-24/3zSJZs81BOOuC8StaLc21LjMFareu32jrlOMGB4jCWoF5hSS8N.png/>单选题计 算 <img src=/exam/2020-4-21/fFUvlbgQ9jjD45yUb5hTO75BHeY3ei72MYPwtMgOJjOWYLVtRZpng/>A,0,B.<img src=/exam/2020-4-24/8NlXJKipYylMmrxyD80kiBMbvDDRcVYO7zcszXnZKVLabUFH7l.png/>fC<imgsrc=/exam/2020-4-24/7wNURHdoK7N2DshDwMMEUiVZiJYyj4RNFKZMGRoA80fqlC6nl3.png/>,D.<imgsrc=/exam/2020-4-24/WlnvGfsbDw6M9iq2Uk0NQ3YbpNbZTMzaonD7TzzSHdxq2hYrGl.png/>单选题计 算 <img src=/exam/2020-4-21/HBttjVdgoVxUlXVcYldYVgYljlDNyPn0lcvNZ6F41VMv5l7C92.png/>A.<img src=/exam/2020-4-24/yKQH4yQNCvj0bvFPXkBp5psQ3Ni0DHuWoQigYYTIDMgv23xPJp.png/>,B<imgsrc=/exam/2020-4-24/ObOoitllkZKhqq7ddkTVkXzpqyVQiOukmNBVUagyl7BZUvK8TT.png/>,C.<imgsrc=/exam/2020-4-24/UXbNo0gWUAeJTSDt0KnuPAgLxnMw5kBjP9Ba3fLIAWn0FiYfdx.png/>,D<imgsrc=/exam/2020-4-24/B4WCgYmLXuSlOEUSlYNQCNuNhEWU89CN3AckmAbdPqBNOSkSjc.png/>单选题函 数 <img src=/exam/2020-4-24/2MlTHTyGevmSljmodgic0T5JnEleMh6EwvFDIYwyk8sWCyhkEpng/>的定义域是()。A.(4,+8)B(0,4)U(4,+8),C.(4,5)U(5,+8),D.(0,5)U(5,+8)单选题y=ax2+c在区间(-oo,0)内单调增加，则a、c应满足()。A.C+0tB.a<0,c=0!,C.c为任意常数,D.a>0,c为任意常数单选题下列无穷积分中收敛的是()。A.<img sre=/exam/2020-4-24/z9g5eTv4pr4xxwrZbvl2Ce8GDKkZwbPQkLCKoJaT31YiGcOOXN.png/>,B.<imgsrc=/exam/2020-4-24/GDK0w7B39m5ivqnpkqlO3MlKWF3TqN86lfOgEKIkabOBKL2VRF.png/>,C.<imgsrc=HYPERLINK"/exam/2020-4-24/H53ullhyK6dJk2LoOPaetzr346kF0Po2FVr