高中数学代数与函数一函数练习题92
题目内容

如下左图是二次函数 http://picflow.koolearn.com/upload/papers/20140823/20140823211350329717.png的部分图象,则函数 http://picflow.koolearn.com/upload/papers/20140823/20140823211350345750.png在点(b,g(b))处切线的斜率的最小值是( )

2021-08-04

A.1

B.http://picflow.koolearn.com/upload/papers/20140823/20140823211350376344.png

C.2

D.http://picflow.koolearn.com/upload/papers/20140823/20140823211350376386.png http://picflow.koolearn.com/upload/papers/20140823/201408232113503912263.png

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