高中数学代数与函数一其他练习题85
题目内容

已知函数 http://picflow.koolearn.com/upload/papers/20140823/20140823134911989421.gif,其导函数 http://picflow.koolearn.com/upload/papers/20140823/20140823134912145430.gif的图象,如右图,则 http://picflow.koolearn.com/upload/papers/20140823/20140823134911989421.gif(   )

2021-07-16

A.在http://picflow.koolearn.com/upload/papers/20140823/20140823134912176412.gif上为减函数

B.在http://picflow.koolearn.com/upload/papers/20140823/20140823134912192398.gif上为减函数

C.在http://picflow.koolearn.com/upload/papers/20140823/20140823134912192414.gif上为减函数

D.在http://picflow.koolearn.com/upload/papers/20140823/20140823134912207410.gif上为减函数http://picflow.koolearn.com/upload/papers/20140823/201408231349122232799.jpg

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