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==

6Kej5p6Q77ya5b2TPGltZyB3aWR0aD0zNCBoZWlnaHQ9MjEgc3JjPSJodHRwczovL3AxLnFpbmdndW8uY29tL0cxL00wMC9CMy9GNC9yQkFDRTFQa2lISGhKUGh5QUFBQmNGWWU5alU1ODYucG5nIj7vvIw8aW1nIHdpZHRoPTEwNCBoZWlnaHQ9MjEgc3JjPSJodHRwczovL3AxLnFpbmdndW8uY29tL0cxL00wMC83Ni81MS9yQkFDRkZQa2lISFNFN3dHQUFBQ0pVR3k4eHcxNDgucG5nIj7vvIzliJk8aW1nIHdpZHRoPTM0IGhlaWdodD0yMSBzcmM9Imh0dHBzOi8vcDEucWluZ2d1by5jb20vRzEvTTAwL0IzL0Y0L3JCQUNFMVBraUhMZ2txVkhBQUFCUkZaX1Fzbzc4Ny5wbmciPu+8jDxpbWcgd2lkdGg9MzQgaGVpZ2h0PTIxIHNyYz0iaHR0cHM6Ly9wMS5xaW5nZ3VvLmNvbS9HMS9NMDAvQjMvRjQvckJBQ0UxUGtpSExna3FWSEFBQUJSRlpfUXNvNzg3LnBuZyI+5LiN5ruh6LazPGltZyB3aWR0aD0zNCBoZWlnaHQ9MjEgc3JjPSJodHRwczovL3AxLnFpbmdndW8uY29tL0cxL00wMC9CMy9GNC9yQkFDRTFQa2lISGhKUGh5QUFBQmNGWWU5alU1ODYucG5nIj7vvIzoiI3ljrvvvJs8YnI+5b2TPGltZyB3aWR0aD02MCBoZWlnaHQ9MjEgc3JjPSJodHRwczovL3AxLnFpbmdndW8uY29tL0cxL00wMC9CMy9GNC9yQkFDRTFQa2lISHdXcmVHQUFBQndqV0ZnbGc5NzgucG5nIj7vvIw8aW1nIHdpZHRoPTg2IGhlaWdodD0yMSBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwLzc2LzUxL3JCQUNGRlBraUhLd3VySjlBQUFDQ2lyMEtNVTI1MS5wbmciPu+8jOino+W+lzxpbWcgd2lkdGg9MTExIGhlaWdodD0yMSBzcmM9Imh0dHBzOi8vcDEucWluZ2d1by5jb20vRzEvTTAwLzc2LzUxL3JCQUNGRlBraUhLZzRlQnVBQUFDT1c3R3RTNDg0Ni5wbmciPu+8jDxpbWcgd2lkdGg9NTQgaGVpZ2h0PTIxIHNyYz0iaHR0cHM6Ly9wMS5xaW5nZ3VvLmNvbS9HMS9NMDAvNzYvNTEvckJBQ0ZGUGtpSEtEVHZMckFBQUJzaF9teUNjMDg5LnBuZyI+5LiN5ruh6LazPGltZyB3aWR0aD02MCBoZWlnaHQ9MjEgc3JjPSJodHRwczovL3AxLnFpbmdndW8uY29tL0cxL00wMC9CMy9GNC9yQkFDRTFQa2lISHdXcmVHQUFBQndqV0ZnbGc5NzgucG5nIj7vvIzoiI3ljrvmiYDku6U8aW1nIHdpZHRoPTggaGVpZ2h0PTIxIHNyYz0iaHR0cHM6Ly9wMS5xaW5nZ3VvLmNvbS9HMS9NMDAvNzYvNTAvckJBQ0ZGUGtpSEd3QTM0WkFBQUJFa3JCRl9FMTkzLnBuZyI+55qE5YC85pivPGltZyB3aWR0aD0xNyBoZWlnaHQ9MjEgc3JjPSJodHRwczovL3AxLnFpbmdndW8uY29tL0cxL00wMC9CMy9GNC9yQkFDRTFQa2lISGd4cW1MQUFBQlpDZTN0QlE3MTUucG5nIj7vvIzmlYXpgIlE

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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