高中数学代数与函数一其他练习题85
题目内容

若函数 http://picflow.koolearn.com/upload/papers/20140823/20140823121244504504.gif的递减区间为 http://picflow.koolearn.com/upload/papers/20140823/20140823121244519613.gif,则 http://picflow.koolearn.com/upload/papers/20140823/20140823121244628192.gif的取值范围是(       )

2021-07-16

A.http://picflow.koolearn.com/upload/papers/20140823/20140823121244644250.gif

B.http://picflow.koolearn.com/upload/papers/20140823/20140823121244675300.gif

C.http://picflow.koolearn.com/upload/papers/20140823/20140823121244691234.gif

D.http://picflow.koolearn.com/upload/papers/20140823/20140823121244706286.gif

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