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曲线y=x3-x+3在(1,3)处的切线与x轴、y轴围成封闭图形的面积为 .
曲线y=x3-x+3在(1,3)处的切线与x轴、y轴围成封闭图形的面积为 .
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函数f(x)=x
3-2x
2-x+2的零点是
.
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直线y=1与曲线y=x
2-|x|+a有四个交点,则实数a的取值范围是( )
A.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103102756335243725/SYS201311031027563352437011_ST/0.png)
B.
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≤a<
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C.1<a≤
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D.1<a<
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已知函数f(x)的图象过点(0,-5),它的导数f
/(x)=4x
3-4x,则当f(x)取得极大值-5时,x的值应为( )
A.-1
B.0
C.1
D.±1
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设a>0若曲线y=
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103102756335243725/SYS201311031027563352437009_ST/0.png)
与直线x=a,y=0所围成封闭图形的面积为a
2,则a的值为( )
A.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103102756335243725/SYS201311031027563352437009_ST/1.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103102756335243725/SYS201311031027563352437009_ST/2.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103102756335243725/SYS201311031027563352437009_ST/3.png)
D.
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函数y=2
x-x
2的图象大致是( )
A.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103102756335243725/SYS201311031027563352437008_ST/images0.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103102756335243725/SYS201311031027563352437008_ST/images1.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103102756335243725/SYS201311031027563352437008_ST/images2.png)
D.
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