2023高一·全国·专题练习
1 . 设非空集合
,不等式
的解集为B.
(1)当
时,求集合A,B;
(2)当
时,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c82edc385bdff12bb007fe3893529654.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6975bfff51d35d3eea098147cd76ad32.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2ad78dc8b8aed907b4fe9640c997454.png)
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2 . 已知不等式:
的解集为A,函数
的定义域为
.
(1)当
时,求
;
(2)若__________,求实数
的取值范围.
请从①
,②
,③
,这三个条件中选一个填入(2)中横线处,并完成第(2)问的解答.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc0f21f161147bab91b44cf6f4fddfe0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/103dfe9d21fb7504271cd21654c04227.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)若__________,求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
请从①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd9d50619b779c1056602f46b2a95e90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04ceb1f338fa60976229d7ec6531b626.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
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3 . 在
上定义运算:
.若关于
的不等式
的解集是集合
的子集,则实数
的取值范围( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0d242589f949db16c35967d7e27d25d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b40927cd56abb895dffd0651b7bed99e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2b2a8f58bd276515f3901fdf6e3166b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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4卷引用:山东省德州市第一中学2022-2023学年高一上学期10月月考数学试题
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4 . 关于x的不等式
的解集
的子集,则实数a的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92088c5f4f13a9cdd17df47c1b484b8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/521fa6a6b54f188906deb557cfcd8730.png)
A.![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() |
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5 . 已知
,记关于
的不等式
的解集为
,不等式
的解集为
.
(1)若
,求集合
;
(2)若
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47b44aee8e743250c9ab5f8093f27ff3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8e3d6ca6d2ad3e38a9ed2902869a93d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65397f11ea8af736f38debadf420c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7643d87ec4451cb9ee1c93252cd01b2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2020高三·江苏·专题练习
6 . 记不等式
的解集为集合A,函数
的定义域为集合B.
(1)当
时,求
;
(2)若“
”是“
”的充分条件,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f90af9ba1a3d2362ecba6775e1d0030.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f1ddeec6ffc952503e0b53dad8096d5.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)若“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
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7 . 已知集合
,关于
的不等式
的解集为
,若
,则实数
的取值范围是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f22b113bb78cacf6415d090137d3815e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85bba26458682f7494478d27eda28a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04ceb1f338fa60976229d7ec6531b626.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.(-∞,-1] | B.(-∞,-1) | C.(-1,+∞) | D.[-1,+∞) |
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2卷引用:安徽省宿州市十三所重点中学2019-2020学年高一上学期期中数学试题
8 . 记关于
的不等式
的解集为
,不等式
的解集为
,若
,求正数
的取值范围( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7658d05d17b00387b7b16b40b186967c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16dfe6b57fbf2037c56bcae83ca9b378.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7643d87ec4451cb9ee1c93252cd01b2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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