高中数学代数与函数一函数练习题59
题目内容

定义在R上的偶函数f(x)在[0,+∞)上是增函数,且f( http://picflow.koolearn.com/upload/2014-06/12/1719f969-44fb-45d4-bfff-4b98121b2db0/paper.files/image009.png)=0,则不等式f( http://picflow.koolearn.com/upload/2014-06/12/1719f969-44fb-45d4-bfff-4b98121b2db0/paper.files/image010.pngx)>0的解集是(  )

2021-08-03

A.(0,http://picflow.koolearn.com/upload/2014-06/12/1719f969-44fb-45d4-bfff-4b98121b2db0/paper.files/image011.png)

B.(2,+∞)

C.(0,http://picflow.koolearn.com/upload/2014-06/12/1719f969-44fb-45d4-bfff-4b98121b2db0/paper.files/image011.png)∪(2,+∞)

D.(http://picflow.koolearn.com/upload/2014-06/12/1719f969-44fb-45d4-bfff-4b98121b2db0/paper.files/image011.png,1)∪(2,+∞)

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