解题方法
1 . 已知函数
的值域为集合
,函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b3da170007fc6ee5bc3f30710e58a80.png)
的值域为集合
.
(1)求
;
(2)若
是
的充分不必要条件,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dab84926ae46afb7be589297785a1267.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b3da170007fc6ee5bc3f30710e58a80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fdff2c47f389e21aa3c06b49cac94a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41ce652364df17277b8f97d790ca6a93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2 . 若集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e301a893b4e5f9ed35fd913db9c32c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa4c1f311a514805a8dfded3211f51cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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3 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12c0e1038c264580104c4b0f219019c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa4c1f311a514805a8dfded3211f51cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
4 . 已知集合
,
,
.
(1)求
,
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfa0a9661a00b529e5909bb7ce4dbd77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f850b8fdd96ff7f4fc06fdc560122e2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32100c03c4533976cfbde90330955746.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb9d82d19ddbec3a1751d8e91c8551e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2022-11-04更新
|
434次组卷
|
6卷引用:四川省宜宾市第四中学校2022-2023学年高一上学期期中考试数学试题
名校
解题方法
5 .
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff123997c77f2eb7ca1a84bd47ace2c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ff357fc0acfac13e6b36aba9ca182af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2022-09-20更新
|
1129次组卷
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6 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4fa7f541be676dee0b2f9ec7ad965db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f74914dc25d9d2dcfb801e211c0cf14a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
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|
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3卷引用:四川省宜宾市第四中学校2022-2023学年高一上学期第三学月考试数学试题
7 . 设集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3f9ab469461825a6deaaa48d3bfa4d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88bfb62cf5e7317d14507d3298cc5612.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
8 . 已知集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a07a3a47e232cd60ff98806a0c867538.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
9 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e0cf1d55c771e9ecfd32738149088da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/350a3ed7f0cf15e2c11425940d43881e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2021-12-04更新
|
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5卷引用:四川省宜宾市普通高中2022届高三上学期第一次诊断测试理科数学试题
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10 . 已知集合
或
,集合
.
(1)若
,求
和
;
(2)若
,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d0d663d438ef8d89f2a846055692e13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5fb3d491a81b148f8988f9d04c4a13e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba11580374cb35f7a7cbac0471db710d.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40dd9f714d61a985b52583cb8403054c.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b05d2be27e8f53e4de3071846dffb41.png)
您最近一年使用:0次
2021-11-20更新
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331次组卷
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