高中数学代数与函数一其他练习题89
题目内容

如图是导函数 http://picflow.koolearn.com/upload/papers/20140823/20140823224652877612.png的图象,那么函数 http://picflow.koolearn.com/upload/papers/20140823/20140823224652908562.png在下面哪个区间是减函数(     ) http://picflow.koolearn.com/upload/papers/20140823/201408232246529245546.jpg

2021-07-16

A.http://picflow.koolearn.com/upload/papers/20140823/20140823224652955517.png

B.http://picflow.koolearn.com/upload/papers/20140823/20140823224652971521.png

C.http://picflow.koolearn.com/upload/papers/20140823/20140823224653002513.png

D.http://picflow.koolearn.com/upload/papers/20140823/20140823224653017534.png

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