高中数学代数与函数一其他练习题79
题目内容

已知函数 http://picflow.koolearn.com/upload/papers/20140823/201408231756583471023.png有极大值和极小值,则 http://picflow.koolearn.com/upload/papers/20140823/20140823175658363283.png的取值范围(  )

2021-07-15

A.http://picflow.koolearn.com/upload/papers/20140823/20140823175658378762.png

B.http://picflow.koolearn.com/upload/papers/20140823/20140823175658410486.png

C.http://picflow.koolearn.com/upload/papers/20140823/20140823175658425458.png

D.http://picflow.koolearn.com/upload/papers/20140823/20140823175658441755.png

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