解题方法
1 . 设全集
,已知集合
.
(1)若
,求实数
的取值范围;
(2)若“
”是“
”的充分条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860ebb6f76cd3cb9a265dfc233002a13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd2a64b9a648a7c8facf99ae1b55c974.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
名校
解题方法
2 . 已知集合
,集合
.
(1)当
时,求
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86d7bc44db7144ef1be26924a6471cac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c472fe507b7f86255cfd8f14d50cf34b.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04ceb1f338fa60976229d7ec6531b626.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
解题方法
3 . 设
为实数,则关于
的不等式
的解集不可能是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/261373ece8d37578556496d519485f21.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
名校
4 . 已知关于
的不等式
的解集是
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5f28031b036e4a37be931d5ff28368.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15283b27721153d40cc9a8f6b2b42608.png)
A.![]() |
B.![]() |
C.![]() |
D.不等式![]() ![]() ![]() |
您最近一年使用:0次
2024-01-18更新
|
1031次组卷
|
4卷引用:江苏省南京市2023-2024学年高一上学期期末学情调研测试数学试卷
名校
解题方法
5 . 已知不等式
的解集为
,设不等式
的解集为集合
.
(1)求集合
;
(2)设全集为R,集合
,若
是
成立的必要条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8023e1902803a7939d2aa32ba9e2d44f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81e12a49601927242c500e1e3b331112.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d10a6d1002f6d7155f1c9a4801c5cb4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(1)求集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)设全集为R,集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54e7668fba5ddd3c5aab4f1f88d67892.png)
![](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/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2024-01-15更新
|
694次组卷
|
4卷引用:江苏省南京市2023-2024学年高一上学期期末考前模拟数学试题
名校
6 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a7834e30a2fd63b7cc50c7e2759b0f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6be55abd076b0dd89eb5e21b3127e22f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bbead65d433d45f86bebf979d96b738.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-01-15更新
|
386次组卷
|
2卷引用:江苏省南京市2023-2024学年高一上学期期末考前模拟数学试题
7 . 已知集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/446bbd5595769e1c6bb4512e7fd217b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a72ef9665654c618812d35f99535549d.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
8 . 已知实数
满足
,则
的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c8ad3b3f438432c45a0c85fd6856a8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b88584cf1df43e28d03592c7998b1653.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
9 . 已知函数
.
(1)解方程
;
(2)若存在
,使
成立,求实数
的取值范围;
(3)若不等式
对
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99eaeb2ab68a49074d623ffca072fed8.png)
(1)解方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e171787624fbf9d5bf9ce8c75e5bcce8.png)
(2)若存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d93eb1f0a8d7949f4e4fbde21a59c9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5def742a20bd9ce3a211380aef3d6320.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08ffc32ca45fb0ed147879ea25011de0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/600e0308bb2108296207424182a9253c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2023-12-24更新
|
271次组卷
|
2卷引用:江苏省南京市金陵中学2023-2024学年高一上学期12月学情调研测试数学试题
名校
解题方法
10 . 函数
,以下四个结论正确的是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45bac02b242e975d2e639cf8cb7b2737.png)
A.![]() ![]() |
B.对任意![]() ![]() |
C.若规定![]() ![]() ![]() ![]() |
D.对任意的![]() ![]() ![]() ![]() ![]() |
您最近一年使用:0次