高中数学代数与函数一函数练习题92
题目内容

如图是函数 http://picflow.koolearn.com/upload/papers/20140823/20140823224238362561.png的导函数 http://picflow.koolearn.com/upload/papers/20140823/20140823224238378578.png的图象,则下面判断正确的是(    ) http://picflow.koolearn.com/upload/papers/20140823/201408232242383941426.png

2021-08-04

A.在区间(-2,1)内http://picflow.koolearn.com/upload/papers/20140823/20140823224238534447.png是增函数

B.在(1,3)内http://picflow.koolearn.com/upload/papers/20140823/20140823224238534447.png是减函数

C.在(4,5)内http://picflow.koolearn.com/upload/papers/20140823/20140823224238534447.png是增函数

D.在http://picflow.koolearn.com/upload/papers/20140823/20140823224238596383.png时, http://picflow.koolearn.com/upload/papers/20140823/20140823224238534447.png取到极小值

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