1 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8acf8c076da7f6a96130ef7a0f55dad9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11f03dfe4635f845055d61751cb12283.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
2 . 已知函数
.
(1)求不等式
的解集;
(2)若存在
,使得不等式
成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7194b837a4923f9d215f79eeae98e88d.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a71baf6217604517fd98fa97d0f55b43.png)
(2)若存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44822a399f305f2e1b6ab00f1222056b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee27758c48f9fff3ce95bb3f48b1bd51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
解题方法
3 . 已知全集
,集合
.
(1)求图中阴影部分表示的集合
;
(2)若非空集合
,且
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860ebb6f76cd3cb9a265dfc233002a13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/137209ff79a0ab4ed36b0296546ae3b3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/25/840c82d3-bcce-40b1-955a-392032c671df.png?resizew=114)
(1)求图中阴影部分表示的集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若非空集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5f1c10d0649b928567adcfc3b000e58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8769054f666a56e7a8255d10ce0e2770.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
4 . 已知实数集
,集合
,集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24377a3ddb11e43efb4f91f229ec1b3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29d79baa43b9e07f75010fc9acd2bb1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fe156c10c39e5214f325ce8a2180858.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
名校
5 . 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
解题方法
6 . 函数
,若
,则
,
,
的大小关系是( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/441c9445d7d11925e457209c0273024a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41ac161789cda0e6ab9447b4b4815777.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b530377e3fe56b7988935dd73d9dccd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74156327e5659301f391814605688899.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e1a1611f320c0f358df77aaae3f942.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2024-02-24更新
|
188次组卷
|
2卷引用:江苏省东台市2023-2024学年高一上学期期末考试数学试题
名校
解题方法
7 . 已知函数
.
(1)若
的解集为
,求
,
;
(2)若
,
,
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d63aaa178677e179fd17fb87877ccb38.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b666663ce3537a634a3b427b418eb62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/138506a762e636aa75a4d54f5b739b89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6855784817151468771f29c0fc38fc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/188aa6c8b8593db08c1c251d38ca578d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce460941cf3ff54ccb6aec5085689a91.png)
您最近一年使用:0次
2024-02-23更新
|
243次组卷
|
2卷引用:福建省厦门市2023-2024学年高一上学期1月期末质量检测数学试题
解题方法
8 . 设集合
.
(1)求
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eec994f3ee52116b05d6dacdd3a8c065.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/521c8f3f084af427ec1c464f8b6bed86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解题方法
9 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ce7621871dbbdee0780a7e2c407a745.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0c2877de15e8afb7521a1a547dbc776.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1336d38741aab2255a35c26612bbd7cc.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
10 . 若集合
,集合
.
(1)当
时,求
;
(2)若
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66e88f8cefb5ad42f7ca360b844f8f8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d85cac03874d3e187f0b091ecec0729.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f22a4a0dd7307a1323d25331e60782d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5bc0a75bee998efe8c59ce49fc22e31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次