名校
解题方法
1 . 已知集合
则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66d5b9eb6a4eb4bb6897d0068dd5d19c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
2 . 对于非空集合
,定义函数
已知集合
,若存在
,使得
,则实数
的取值范围为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1a073f94b778736553368254c0a4352.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dbf0b516986a1a42fa8b8226ff7e94f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb13c949ef45a3ca46c3b39acf2d5b98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
您最近一年使用:0次
2024-03-19更新
|
831次组卷
|
3卷引用:河南省信阳市新县高级中学2024届高三考前数学仿真冲刺卷三
名校
3 . 已知集合
.
(1)当
时,求
;
(2)若
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/190ab0e4e975e4eadec51753703ed96b.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b05d2be27e8f53e4de3071846dffb41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2024-03-12更新
|
149次组卷
|
2卷引用:河南省许平汝名校2023-2024学年高一下学期开学考试数学试题
解题方法
4 . 已知集合
,
,若
,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d78e3eecdf9a2a9dbb594ce7b72a1e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04e18306ebf275f54eb946ddb7c38397.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2ad78dc8b8aed907b4fe9640c997454.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.1 | B.2 | C.1或2 | D.1或![]() |
您最近一年使用:0次
名校
5 . 已知
是定义在
上的奇函数.
(1)求
的值域;
(2)设函数
,若对任意的
,存在
,使得
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1ca09548bb2ade976e4db708ff209c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01bbe59b05263f77b78b169c0ba1a15f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3d5a5e70f64f0933ae1e4ddec5fa2c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a49684ba67f71171321586f1a77ad4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fdfceaa8a8a092f8f3eb8572f0dfbb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2024-03-07更新
|
239次组卷
|
3卷引用:河南省许平汝名校2023-2024学年高一下学期开学考试数学试题
解题方法
6 . 已知集合
,
,且
,则实数n的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c969d41a860a02582dd3fce1077d29c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f2527bade16e5461e2406353503224b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdbbe46a98a8fdebfc46fcbc45dc88e8.png)
A.0 | B.1 | C.0或![]() | D.![]() |
您最近一年使用:0次
解题方法
7 . 在①
;②“
(
是非空集合)”是“
”的充分不必要条件;③
这三个条件中任选一个,补充到本题第(2)问的横线处,求解下列问题.
问题:已知集合
.
(1)当
时,求
和
;
(2)若________,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd9d50619b779c1056602f46b2a95e90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
问题:已知集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3345ae38aaf8d751844d7129a1c1305c.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c63fa1795c051d76e6f864b690670b5.png)
(2)若________,求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
解题方法
8 . 已知集合
.
(1)若
,求
;
(2)若“
”是“
”的必要条件,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d04b0ee653d4eb7340777ab1e8565e12.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f22a4a0dd7307a1323d25331e60782d8.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)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2024-02-27更新
|
264次组卷
|
2卷引用:河南省名校联盟2023-2024学年高一上学期期末数学试题
解题方法
9 . 已知全集为
,
,
.
(1)求
;
(2)若
,且
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55e5937cc862f8e515ec62586b118d76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4aa8c99c3599d5c3b2e79b92c5fc479.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a65cb3e005748115ba16103d7114209.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42b427839d3db6e7da2721587c945e6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2769ff3e792107a67b688fa946f4405f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
10 . 已知集合
.
(1)求
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec9d9350b40846dc1df21324f2bed33f.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a46991dd477a9bcf40feb60a1de6e1cc.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/521c8f3f084af427ec1c464f8b6bed86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次