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/20140823/20140823214931277479.png是函数 http://picflow.koolearn.com/upload/papers/20140823/201408232149313081166.png的导函数,若函数 http://picflow.koolearn.com/upload/papers/20140823/20140823214931324675.png在区间 http://picflow.koolearn.com/upload/papers/20140823/20140823214931355485.png上单调递减,则实数 http://picflow.koolearn.com/upload/papers/20140823/20140823214931370337.png的取值范围是(      )

2021-07-16

A.http://picflow.koolearn.com/upload/papers/20140823/20140823214931402378.png

B.http://picflow.koolearn.com/upload/papers/20140823/20140823214931417362.png

C.http://picflow.koolearn.com/upload/papers/20140823/20140823214931433319.png

D.http://picflow.koolearn.com/upload/papers/20140823/20140823214931464303.png

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