高中数学代数与函数一其他练习题86
题目内容

已知函数 http://picflow.koolearn.com/upload/papers/20140823/20140823162309732755.gif。若函数y=f(x)的图象在点(2,f(2))处切线的倾斜角为 http://picflow.koolearn.com/upload/papers/20140823/20140823162309748234.gif,对于任意 http://picflow.koolearn.com/upload/papers/20140823/20140823162309779359.gif函数 http://picflow.koolearn.com/upload/papers/20140823/20140823162309810984.gif在区间(t,3)上总不是单调函数,则实数m的取值范围是( )

2021-07-16

A.http://picflow.koolearn.com/upload/papers/20140823/20140823162309842461.gif

B.http://picflow.koolearn.com/upload/papers/20140823/20140823162309873613.gif

C.http://picflow.koolearn.com/upload/papers/20140823/20140823162309888643.gif

D.不存在

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