配套习题- 幂函数 -【青果学院】

1/3单选题

难度：

1.下面4个图象都是幂函数的图象，函数

，其图象是（）

A
B
C
D

正确答案：Qg==

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

2/3单选题

难度：

2.下列函数中，是幂函数的有（）

A
B
C
D

正确答案：Qw==

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

3/3单选题

难度：

3.当

时，幂函数

为减函数，则实数

（）

A	2
B	2或1
C	1
D

正确答案：QQ==

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