配套习题- 一堂课学会分段函数 -【青果学院】

1/5单选题

难度：

1.函数

的值域是（）

A	R
B
C
D

正确答案：RA==

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

2/5单选题

难度：

2.已知函数

若

，则

的值是（）

A	1
B	9
C
D

正确答案：RA==

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

3/5单选题

难度：

3.已知

则

为（）

A	2
B	3
C	4
D	5

正确答案：QQ==

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

4/5单选题

难度：

4.设

则

（）

A
B
C
D

正确答案：Qg==

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

5/5单选题

难度：

5.设函数

则不等式

的解集是（）

A
B
C
D

正确答案：QQ==

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