新疆喀什市第四中学2026-2027学年高三上学期数学周测5

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高三数学周测5(9月8日)

满分:100分时间:20:20-21:00

姓名:_________________________________________班级:___________序号:___________

 

一、单选题

1.已知集合,则(   )

A.3       B.      C.1                  D.

 

2.已知是定义在上的偶函数,当时,,则(   )

A.      B.      C.     D.

 

3.下列函数中在定义域内增函数的是(   )

A.    B.    C.     D.

 

二、多选题

4.以下四个命题中,是真命题的是(   )

A. 命题“”的否定为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 B.“”是“”的必要不充分条件

C.若,则       D.集合的子集个数为7

 

5. 若是定义域为的奇函数,且在上为减函数,则下列选项正确的是(   )

A. B.的图象关于y轴对称

C.在上为减函数 D.

 

三、解答题(共50分)

6.(10分)设集合,求.

 

 

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