高中数学代数与函数一其他练习题134
题目内容

已知函数http://picflow.koolearn.com/upload/papers/g02/20110829/201108291559268281059.gif,如果不等式f(x)>0的解集是(-1,3),则不等式f(-2x)<0的解集是

2021-07-20

A.http://picflow.koolearn.com/upload/papers/g02/20110829/201108291559268591137.gif

B.http://picflow.koolearn.com/upload/papers/g02/20110829/20110829155926890978.gif

C.http://picflow.koolearn.com/upload/papers/g02/20110829/201108291559268901138.gif

D.http://picflow.koolearn.com/upload/papers/g02/20110829/20110829155926968978.gif

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