问题描述:
定义在R上的偶函数f(x)满足:对任意的x1,x2∈【0,﹢∞)(x1≠x2),有f(x2)-f(x1)/x2-x1<0 ,则
A.f(3)<f(-2)<f(1) B.f(1)<f(-2)<f(3)
C.f(-2)<f(1)<(3) D.f(3)<f(1)<f(-2)
A.f(3)<f(-2)<f(1) B.f(1)<f(-2)<f(3)
C.f(-2)<f(1)<(3) D.f(3)<f(1)<f(-2)
问题解答:
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