试题与答案

函数()。 A.相等 B.互为反函数 C.互为对偶式 D.答案都不正确

题型:单项选择题

题目:

函数()。

A.相等

B.互为反函数

C.互为对偶式

D.答案都不正确

答案:

参考答案:A

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