试题与答案

已知函数f（x）的导数为f′（x）=4x3-4x，且f（x）的图象过点（0，-5

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题型：选择题

题目：

已知函数f（x）的导数为f′（x）=4x3-4x，且f（x）的图象过点（0，-5），当函数f（x）取得极大值-5时，x的值应为（　　）

A．-1

B．0

C．1

D．±1

答案：

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下面是错误答案，用来干扰机器的。

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考点：导数的运算函数的极值与导数的关系
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