高中数学代数与函数一其他练习题79
题目内容

http://picflow.koolearn.com/upload/papers/20140823/201408232107092681082.pnghttp://picflow.koolearn.com/upload/papers/20140823/20140823210709315501.png上是减函数,则 http://picflow.koolearn.com/upload/papers/20140823/20140823210709424338.png的取值范围是(   )

2021-07-15

A.http://picflow.koolearn.com/upload/papers/20140823/20140823210709440434.png

B.http://picflow.koolearn.com/upload/papers/20140823/20140823210709471527.png

C.http://picflow.koolearn.com/upload/papers/20140823/20140823210709486403.png

D.http://picflow.koolearn.com/upload/papers/20140823/20140823210709502393.png

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