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出自:甘肃开放大学高等数学
下列各函数对中,( )中的两个函数相等.
<img src="data:image/png;base64,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" >
下列函数中为幂函数的是( ).
<img src="data:image/png;base64,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" >
单选题 (5 分) 5分
A.
y=x+1
B.
C.
D.
下列函数中为奇函数是( ).
<img src="data:image/png;base64,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" >
单选题 (5 分) 5分
A.
B.
C.
D.
下列极限计算不正确的是( ).
<img src="data:image/png;base64,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" >
单选题 (5 分) 0分
A.
B.
C.
D.
若函数f(x)在点x0满足(),则f(x)在点x0连续
函数f(x)=√x^2-9/x-3+ln(1+x)的定义域是{x|x>-1或x<-3} A.对
B.错
已知函数f(x+1)=x^2+x,则f(x)=x^2-xA.对
B.错
设y=u^2+1,u=sinx,则y=sin^2x+1
<img src="data:image/png;base64,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" >
A.对
B.错
函数f(x)=e^x+e^-x/2的图像关于y轴对称
A.对
<img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAQ8AAAAsCAYAAAB7YD0SAAAITUlEQVR4Xu1dv29UORCe1TWkuNP9ARGKUIJ0EX9BAqn50YTiojToKBARNBsJQXQidEFCRDqxDZCDAiSkRDRAAdsjcg0tSkECQroo9emKA6qc/TZv43U8nrHX7+2+zUSKkuyzPeNvxp/HY/ultqu+QL4EAUFAEAhEoCbkEYiYFBcEBIEMASEPcQRBQBCIQkDIIwo2qSQICAJCHuIDgoAgEIWAkEcUbFJJEBAEhDzEBwQBQSAKASGPKNikkiAgCAh5iA8IAoJAFAJCHlGwSSVBQBAQ8ijRB5pzNTgLb2B3+iXUzgK82V2BMyXKN0X1ky49gkDEdomAkEeXAIZWbzYmYWljEdZXekUb+xr3ky6hOEr53iMg5FGyDbYac/D63ArUR4sWvAWNyTGY/8uQM3EPNtfrkIsuT5ei+yrt9wIBIY9SUW+qAb0EG4vrwAs8NAEsw/H1IpY3obqUCpQIqwACQh5lGWmrAZNjG7C4Ow0vVcLjw71NWCfDj4LII0qXsoASOVVBQMgjuaU6lwsTLJLAlOCSR0qZyQGRBgcUASGPpIbVg/g3gKfrrZxGNsPPw4k3u8xliq0MhzxSy0wKiDQ2wAgIeaQ0bnNObcH+eaDFkOgj20I92MR+m5fVVq+ZMEkgMyUE0tbhQUDII6Wt9UBeGu/Y0eiueUbkkVxmdxpL7cODgJBHSltnUUDKw19M8kgqMyUg0tYgI+Alj1qt5u277/Wnuq7rOfb5YIC8l7gE4zyFIpTJj9cZOysuBBjkAall4pZw2c5nT8p/bEm2v8T6Sr/7HoVZ7GuFQ/AKKYt5RFTkwTGOWQb7PYwwmjCnpnWdDnDnEPTzlzBNHvnmlgvTbr/0vp7ZZ3aOIqhZDnnoBlPKTEse3IFg+xRFPFS7IURHyTIRoeRyzNsL8sj7mOtfOHlQBvA9z5+5nCLcAHpwLMH4ptrF2HTkFUKXC9kuyHOY0e0VftKT4079X8Y3YWARRIjtuRMM1+lDZLvQ58oJsZyLpLjRVkxdsw5XTlB/XG9P50QNrjI+BjcZL5TJ9Q7E0jh2qCoykmgflCri9GaICfq/LOa4oZOLbwCYk00IIuagSBlBFEEeul8YZlifsYmWwsvGxUUeLpkhE7tz2YKxNjeawBiPO7t0dIqIKvzE4nfDLXVJbUxdUuvY+gzx3ENS1uUPuutUTouyN2eSyiGmiAozRSwJxNajXILqB4VZDB7cKCy0zyzy8Clss6lNMCEO0gm8fbHrsuMKu7GcMZcf7bMPE3AvX5rkn5mXwyT6oHw9e851vlhfcNVjKYYQmFk3dEBQvu7S6927d3Dq1KnsUU6od+/ehS9fvsD9+/fbVTiTL2e8YH3CSN7WmSJ9LvYs8vARgml4X8dzYDEAMYXb751w3SQjopI8stgcX0IijFaiUbHSgROgwYe1uIhXsJyPPEKe5b7iilp8gzyWAFzEZ8NvRslc0/iWEp8+fYJjx45lTV29evUAebgGMocwuOMslBi6wjZlzoPD2mHkgQ9uLSsjh/kT+Et19o6Hq/AD2Spttc+7pMZ1rcEr5xpg2JqaM4G4SAQL5+1JB/OxlCTAIR2XlUdHR+HJkydw8uRJ+Pz5M+zs7GS/uwiLm6vhJDqpMZVjE0oslCd7Iw8qXHVFJC6BLkdjMR6xrCDJY+8MxMYidrckLXnEODBloLKfcxyMG22YeNgJc1cCXX+G1cmfmT8pbKhB5avP8k+rgdOnT8PFixdhdnYW9LLlxo0bThEh+GGJTu6YMonDhUdXGFGRh9n7kLUWtp8comxGDs9n8OPe5LJlDpY3PqizIVhSVJYt1AB0zcLcJQa3HDbT246f68rdEQjxNSo64OCklylTU1MwPDwM29vbGYm4vmyC7GbZQo1PV9TBlUf1mZ3z8BnOViYPNX1OQTtAK2H6fMb33gskYaoF5yc7z72G1kXXOoD9Fi9JmFL+kT2nIlDMgX1+4RustsO7IlzKf0J0xgY4JcOup8ljZGTkQKI0L+eKqmx8sYHtK2e2T0Uk3KjH1tkZkYZEHpinuWYYF+NhnXS2yzzIZW/VtpYy6t177ZOd+7s29slU2aplcUcS8qCckeNDvoFFzcDYRBbi0xRaeqmysLAAZtKUQ0ycSIBDhtyVAQcryl4Znhh5UEDZz10JINf6lBtK8ge2J/rwdiLycFkoMANQ3pwx8+74dhywJavPaU2/wGS4BpAuiyVvOQM3JXmsra2hSxWq75geMTkeu62Q5WOIu0bdbcGUw6INjDDsTrUJ4/rHvVf2MU9/MqOUfb39uzghAB6GstxZzxzI3x4+hONXrsDf6sNf1ffv6vsP9f3M8/cvjx7BkUuX4PuzZ/DfrVswdPNm9veMumSp62PPdfn6hQuwYhGJjxhs0snLYksLrC0dbRw9ehTevn2bLVmwJClFHpxENdUfX5+wxCtWh+PXSciDI4hVpn24y3UgjGqBG0lwy1HyynzeefHtcvSbycrT+eudO/D91Sv4URHCP+oA1U8vXsC/588X9vPn9+/hB7VVWvaXznM8ePAAVldXWVFH2foVKa+/yKPInla27c6btXlOpwoEoqOHb+rcw9C1azA0Pw/fHj+Gr7dvw5F6vZC/K2viiiou5NHvhms2oDFWN27/7iWAT1ivI+z3foh+A4eAkEcFTeo9sl/B/ojK1URAyKNydmtFHvip2cp1SBSuKAJCHlUznN5Z2jv0Vn56sGpgib5FIiDkUSS6BbTdnJuEj9flDWgFQCtNBiIg5BEIWC+L652W5ePc/3PbS01F9mFAQMijKla238Kuli+NTbULc6YqHRA9Bw0BIY8qWNT5X+FiDtJVobOiY1UQ+B9v+4LmzeZbgQAAAABJRU5ErkJggg==" >
B.错
limx→0(1+1/2x)^x=√e
<img src="data:image/png;base64,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" >
A.对
B.错
limx→∞x/sinx=0
<img src="data:image/png;base64,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" >
A.对
B.错
若函数f(x)={(1+x)^1/x.x<0,x+k,x>=0,在x=0处连续,则k=e.A.对
B.错
<img src="data:image/png;base64,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" >
函数y={x^2+3,x>0,cosx,x<=0的间断点是x=0A.对
B.错
<img src="data:image/png;base64,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" >
函数y=4(x-2)^2+3的单调增加区间是【2,+∞)A.对
B.错
若limx→x0f(x)=A,则当x→x0时,f(x)-A为无穷小量A.对
B.错
<img src="data:image/png;base64,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" >
设f(0)=0且极限limx→0f(x)/x存在,则limx→0f(x)/x=
<img src="data:image/png;base64,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" >
A.
B.
C.
D.
0
设f(x)在x0可导,则limh→0f(x0-3h)-f(x0)/3h=
<img src="data:image/png;base64,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" >
设函数f(x)=x^2,则limx→2f(x)-f(2)/x-2
<img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAATwAAAAwCAYAAACMsMbJAAAJtklEQVR4Xu1dPXPTTBBe/xEKiCky/AICFGngDU0KhgEaqJIhTVLw0aR0A6GIG5ikggqGoUhDDCkogPALMimwYRiG/5FXK/nk8/k+VtKdPqxVk9g67T373Onx3t5J1zmLDuCDGWAGmIEWMNBhwWtBK7OLzAAzEDPAgscdgRlgBlrDAAtea5qaHWUGmAEWPO4DzAAz0BoGWPBa09TsKDPADLDgcR9gBpiB1jDAgteapmZHmQFmgAWP+wAzwAy0hgEWvNY0NTvKDDADLHjcB5gBZqA1DLDgtaap6+zoANY7K7AfQby8O4TjzQUJLJ47gNWzPfjP6gK1nE8ebLixHhXTpDyeXTs8g73YqSqw++ShObZY8JrTVnOKFG/2HiwOj2FzuA6d3iIMjzchlrxB9HkF4NApdmNqRn1Y6r6H22hL1swgzFlwa7GPoL+0AxePE+Ee9Zegu/VjInqlYg9CSCOMsuA1opnmF+RgvQO9RTWqKxD1xMJxCttUkcxJrRm3AfugD/3upiTEKIBd2Lp0CGdJmIcqWAr2nC7PxWUseHPRjA11whLB2QXF7m8cPZ1uT4TENz2OyJOKHcutgCR4IvILid03Fw2zx4LXsAabD7jj6OaH8GZNGbZKw0V1aBqLTZztg10xdBXfXd5NhsPBIiUXbhHdjYfo1mF1Yut0W+Tx5GF5+Ah1PvpRdi9Y8LJzxld4YkAX4cSmCbk7EcUNF3uaaC6ZHIhUdDwp4Anw2IwRNxF7Ony9D/BG5CtTiGGx+2WiedZY8JrXZnOC2HxjJwn9S/bJijiK24IozFNmdUWUtQInmnOxWGGAaDrWpoeYs8XsgkTCHmv6Evx8rJtcSezrsM9Jw1fqBgtepfS3uHLLsJMmGoYhYRIihhMNx3CZgh3L7Fw8NkSfAbG3uLsJ11nwuBNUwkAsDO9vT5agyChIQ9p12Dk9idbu6SYnwg0LrbgpQ9rIt6WfjydRaSSg/WE0e5suMgyHvZKGrlmlRsHrdDqQd7sLvNZ22Oya6i2Cp2acVwqnHjwm0dn727rhqIjQLIl/IRo3P8LSOA8G/XX4eHMvWfYReNLCjNuBPZ1wkbuAMmETDHul3a42lVsjPPXm0AlZFlGkiJlcxvR/bdgrAOT58+fw9OlTuH79Onz69KmApeg9/ZYfGLV9ZttAjihKii4Ii2x1SzvEYt1ote54yclk1lR+QiPYshQC7iTIm11bmGJXW1rJGQbDTuhh9fgxTPpzFl0huJYWySx4MhCKgKVjZ8kJ3XXiO/Wv7nqKg+/evYO7d+/GRVXyNjY24N69e3DlyhWtqYWFBRiNRpRqcpdBwXvy5AncuHEDtre3jVgoFeRtB5Hrwhx+8phTOYJHu6ktS1OspIR7TIuGmxChGvGHw+7qRyFFxlW37nwoPJlyeLqIzySAlEhNFjcTKcK+GsXYfgGE2GEZFJSXL1/C+fPn4yrw84MHD+DOnTvGdvj+/TtcvXo12K+MXDFixcOGx9VhXIJnjZTHs52XAi3hENhTsXj8k/40ATGimvDjX7Bz4UZANcDu6jd5gwmq3aLlQoheMMFDZ7NGbbKoUYTURCja+fbt20zUhFEVHhhZuQ4UvV6vlw43XXlJ2V6WcBwx3bp1KxVkFy7Xr6FO3OogeMnaujiWpD8bGztLjXqo5TIynBt3GOwh+mEIYcnIsrZ4CFxawdMJjy2KQLR4k7siDdUr281JiRBVezhUffXqVfy1Ljemi1AF9t+/f8OFCxfg4cOHcUSIR9HhprCJdnGILCLHZ8+epaIrhrZFOoiLK7rgSRESoECdRMvc3gDcj575xKci4nxTN3kGNP1sf4dJEb/42vAMhBAVn6h94yPl8KiVmoa8rryc7YZVxdSFBYeIf//+nYni8PvXr1/PTBCgSF67dk17DsXoz58/qQDmbUghnHLEiLZ85Qr9CN4hwEryiqa13V042dqC5Mmv8SNc+CYT+ZGu+DMKYhlvJsnLPF/nYsB1P7muD33eNz6S4KFTtlBazrPl/V/UYRoOmkRTF+XpJiRM4iWirl+/fs0MK1EkcUKh6ASGnFNEvCLyE9jlqDJPB/IjeNGkRTd5eiHO58n/J+8zmpxLP5f1KqY8rPA1FAZ8CwqlzixlfOMjC55JkFw5I911qniZxFSXx3MRYDqPkRweYrgqSBfioxNaWfCK5E5QVHGipKhwmjpKdYI3FkfHqDYLd1luhjaU1S0rovpNySW77idqXaHK+cZXSPBMQ1jVeWpuz5ZrokR46kSDjMMU4eH3X7580S4N8RXhYR37+/twdHREmpwQAkHpsOoPiusHaKYt5Mgtc4RHE7xQNwPb9cOAb1HxgyrMejyS4LluIuGgTgDFOd3Nq9rFsrohscm+SqxtFlYnhhjdffjwITVz7ty5qeUhPnJ4WO+/f//g69evca4QD9cSlKyCp/Jj68AseL5ux/mxM0+C57p3nIIni5BLeLISpytvA+yyr66500WaIleHEwZ4yLOnai6t6Cwt4hWzxSKPJ8/Q2m4Zl6+uKJoWVU/vsWDCMz2JYZjUCP5K9fkRmDp6krW/hfYhL57Cgqfm0YQA6gznydXY7GfJ4WG0hnk622NaWSI22/C4bo1NE7cEdd6OFNpntl89A3XpGyFxkBYeu6IuXRRIaT45L2eLJHVDZSGGGKlhbuzFixfw6NEjZ44Mo7bl5WXr4mMxkaGbuaX4VaRM1samDl/lHyNqbrCIH3wtM1BHBkiCV0fgAhMK2OfPn+Ht27fO3Ji4xvUsbVbRqTM/4bG5tioMjyB8DabtFcPXzDX4ZaDxgueXDraWlYFRvw/Dzc1o68FAj3ZlBeS9vGN7Re/1scGQDLDghWS3QbbTfRpWD+x7weIylp2LcCy2FpR8NL+2vEFEqFAp2ys22L22QWfBa1uLW/wdRG8h7kVbBOrEbOoyfKD+YHVmG8RBFO11o2hv3idsrZv4cH+qNQMseLVunnLBjeS3BkdVZ9rwJhLBddgLskuYkwXK1o1OI9QCtr00qDa4XFUMsOBVxXzt6h1Eb0HpRfukmjaXmRq7Tkd4hoivbBftWzd6QoNDeu32ip7ss5mgDLDgBaW3IcbTfRRW4cC1RaCSw1NfXZ68Obkiv61bNyaYMkWtGjfmMk9ZUXNVUS0LXhWsc52BGAg73LRvrxjIJTbrlQEWPK90srEqGcAcpHnrxoLInNsrFrTPl5fCAAteKTRzJcEZcG3dWAQAZXvFIvb52tIYYMErjWquKAQD1K0b89ZN3V4xr32+rlwGWPDK5ZtrYwaYgQoZYMGrkHyumhlgBsplgAWvXL65NmaAGaiQgf8Bo3kE6ewORGsAAAAASUVORK5CYII=" >
A.
2x
B.
2
C.
1
D.
4
设f(x)=x(x-1)(x-2)...(x-99),则f.(0)=
A.
99
B.
-99
C.
99!
D.
-99!
若函数f(x)在点x0处可导,则下列结论中错误的是
<img src="data:image/png;base64,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" >
若函数f(x)在点x0处可导,则下列结论中错误的是
A.函数f(x)在点x0处有定义
Blimx→x0f(x)=A,但A=/f(x0)
C函数f(x)在点x0处连续
D函数f(x)在点x0处可微
若函数f(x)满足条件(),且(a)=f(b),则存在ξ∈ (a,b),使得f.(ξ)=0
A.在(a,b)内连续
B.在(a,b)内可导
C.在(a,b)内连续且可导
D.在[a,b]内连续,在(a,b)内可导
下列结论中( )不正确.
<img src="data:image/png;base64,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
" >
下列结论中( )不正确.
A.f(x)在x=x0处连续,则一定在x0处可微
B.f(x)在x=x0处不连续,则一定在x0处不可导
C.可导函数的极值点一定发生在其驻点上
D.若f(x)在[a,b]内恒有f.(x)<0,则f(x)在[a,b]内是单调下降
设f(x)在(a,b)内有连续的二阶导数,x0∈(a,b),若f(x)满足(),则f(x)在x0取到极大值
A.f.(x0)>0,f..(x0)=0
B.f.(x0)<0,f..(x0)=0
C.f.(x0)=0,f..(x0)>0
D.f.(x0)=0,f..(x0)<0
设f(x)在(a,b)内有连续的二阶导数,且f.(x)<0,f..(x)<0,则f(x)在此区间内是
A.
单调减少且是凸的
B.
单调减少且是凹的
C.
单调增加且是凸的
D.
单调增加且是凹的
设y=x^3lnx,则dy=
A.(x^2lnx+x^2)dx
B.(3x^2lnx+x^2)dx
C.3x^2lnxdx
D.3x^2lnx+x^2
若函数f(x)在[a,b]内恒有f.(x)在[a,b]的最大值是f(b)
A.对
B.错
设f(x)={x^2sin1/x,x=/0,0,x=0,则f.(0)=1
<img src="data:image/png;base64,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
" >
A.对
B.错
若函数f(x+3)=x^2+6x-5,则f.(x)=2x-14
A.对
B.错
曲线f(x)=√x+1在(1,2)处的切线斜率是2
A.对
B.错
曲线y=1/x-1在点(2,1)处的切线方程是y=-x+3
A.对
B.错
设y=2^xsinx,则y.=2^xln2*sinx+2^xcosx
A.对
B.错
设y=x^2lnx,则y..=2lnx+2
A.对
B.错
函数f(x)=(x+1)^2+1的极小值为x=1
A.对
B.错
若函数f(x)在点x0可导,且x0是f(x)的极值点,则f.(x)=0
A.对
B.错
函数f(x)=x^3-5x^2+3x+5的拐点的横坐标是x=3/5
A.对
B.错
若f(x)的一个原函数是lnx,则f.(x)=
A.inx
B.-1/x^2
C.1/x
D.2/x^3
下列等式成立的是( )
A.d/dx∫2f(x)dx=2f(x)
B.∫2df(x)=2f(x)
C.d∫2f(x)=2f(x)
D.∫2f.(x)dx=2f(x)
若f(x)=cosx,则∫f.(x)dx=
A.sinx+c
B.cosx+c
C.-sinx+c
D.-cosx+c
d/dx∫xf(x^3)dx=
A.xf(x^3)dx
B.x^2f(x^3)
C.1/2f(x)
D.1/2f(x^3)
若∫f(x)dx=F(X)+c,则∫1/√xf(√x)dx=
A.F(√x)+c
B.2F(√x)+c
C.F(2√x)+c
D.1/√xF(√x)+c
下列无穷限积分收敛的是
A.∫+∞ 1 1/xdx
B.∫+∞ 0 e^xdx
C.∫+∞ 1 1/√xdx
D.∫+∞ 1 1/x^2dx
若∫f(x)e^1/xdx=e^1/x+C,则f(x)=
A.1/x^2
B.-1/x^2
C.1/x
D.-1/x
在斜率为的2x积分曲线族中,通过点(1,4)的曲线方程为( )
A.y=x^2+3
B.y=x^2+4
C.y=2x+x
D.y=4x
∫ 1 0 xe^xdx=
A.
0
B.
1
C.
e
D.
1+e
∫π 0xcosx/2dx=
A.2π
B.π-2
C.π-4
D.2π-4
若∫f(x)dx=sinx+C,则f(x)=cosx
A.对
B.错
若函数F(x)与G(x)是同一函数的原函数,则F(x)-G(x)为常数
A.对
B.错
d∫e^x^2dx=e^x^2dx
A.对
B.错
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