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已知定义在R的奇函数f(x),在[0,+∞)上单调递减,且 f(2-a)+f(1...
已知定义在R的奇函数f(x),在[0,+∞)上单调递减,且 f(2-a)+f(1-a)<0,则a的取值 .
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对于任意x∈R,f(x)=ax
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的最小值为( )
A.0
B.1
C.2
D.3
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已知函数
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,则下列坐标表示的点一定在函数f(x)图象上的是( )
A.(-a,-f(a))
B.(a,f(-a))
C.(a,-f(a))
D.(-a,-f(-a))
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已知函数
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若
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,则a的值为( )
A.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101231455232301032/SYS201311012314552323010007_ST/2.png)
或
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101231455232301032/SYS201311012314552323010007_ST/3.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101231455232301032/SYS201311012314552323010007_ST/4.png)
或
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C.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101231455232301032/SYS201311012314552323010007_ST/6.png)
D.
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设偶函数f(x)的定义域为R,当x∈[0,+∞)时f(x)是增函数,则f(-2),f(π),f(-3)的大小关系是( )
A.f(π)>f(-3)>f(-2)
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C.f(π)<f(-3)<f(-2)
D.f(π)<f(-2)<f(-3)
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