高中数学代数与函数一其他练习题89
题目内容

http://picflow.koolearn.com/upload/papers/20140823/20140823232442462447.png是定义在R上的奇函数,且f(2)=0,当x>0时,有 http://picflow.koolearn.com/upload/papers/20140823/20140823232442478584.png的导数<0恒成立,则不等式 http://picflow.koolearn.com/upload/papers/20140823/20140823232442494607.png的解集是:

2021-07-16

A.(一2,0)http://picflow.koolearn.com/upload/papers/20140823/20140823232442525249.png(2,+ http://picflow.koolearn.com/upload/papers/20140823/20140823232442540313.png

B.(一2,0)http://picflow.koolearn.com/upload/papers/20140823/20140823232442525249.png(0,2)

C.(-http://picflow.koolearn.com/upload/papers/20140823/20140823232442540313.png,-2)http://picflow.koolearn.com/upload/papers/20140823/20140823232442525249.png(2,+ http://picflow.koolearn.com/upload/papers/20140823/20140823232442540313.png

D.(-http://picflow.koolearn.com/upload/papers/20140823/20140823232442540313.png,-2)http://picflow.koolearn.com/upload/papers/20140823/20140823232442525249.png(0,2)

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