已知函数y=f(x)的反函数
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101224921718353310/SYS201311012249217183533012_ST/0.png)
(x≤-1),则
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101224921718353310/SYS201311012249217183533012_ST/1.png)
=
.
考点分析:
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函数f(x)是定义在实数集R上的奇函数,且f(x)=-f(x+2),当0≤x≤2时,
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101224921718353310/SYS201311012249217183533011_ST/0.png)
,若已知n∈Z,则使
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101224921718353310/SYS201311012249217183533011_ST/1.png)
成立的x的值为( )
A.2n
B.2n-1
C.4n+1
D.4n-1
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已知F
1,F
2是两个定点,椭圆C
1和等轴双曲线C
2都以F
1,F
2为焦点.点P是C
1和C
2的一个交点,且
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101224921718353310/SYS201311012249217183533010_ST/0.png)
,那么椭圆C
1的离心率为( )
A.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101224921718353310/SYS201311012249217183533010_ST/1.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101224921718353310/SYS201311012249217183533010_ST/2.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101224921718353310/SYS201311012249217183533010_ST/3.png)
D.
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点P在曲线y=x
3-x+2上运动,则过P点的曲线的切线倾斜角的范围是( )
A.[0,π)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101224921718353310/SYS201311012249217183533009_ST/0.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101224921718353310/SYS201311012249217183533009_ST/1.png)
D.
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不等式x
2+2x+a≥-y
2-2y对任意实数x、y都成立,则实数a的取值范围是( )
A.a≥0
B.a≥1
C.a≥2
D.a≥3
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平面向量
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101224921718353310/SYS201311012249217183533007_ST/0.png)
,
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101224921718353310/SYS201311012249217183533007_ST/1.png)
,
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101224921718353310/SYS201311012249217183533007_ST/2.png)
,若
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101224921718353310/SYS201311012249217183533007_ST/3.png)
,则这样的向量
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101224921718353310/SYS201311012249217183533007_ST/4.png)
的个数有( )
A.1
B.2
C.3
D.4
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