名校
解题方法
1 . 已知关于
的方程
有实根,集合
.
(1)求
的取值集合
;
(2)若
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b542af9ef6c8548424fbcc52cf99fd1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e86e09bdda8e5d8ff00c1fb6cca942e5.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b05d2be27e8f53e4de3071846dffb41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2023-12-22更新
|
203次组卷
|
2卷引用:重庆市巴蜀中学校2023-2024学年高一上学期期中考试数学试题
解题方法
2 . 已知函数
.
(1)解不等式
;
(2)记函数
的最小值为
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49d48b9979e85339d10391f12bd376cf.png)
(1)解不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e2405c4822bceae1cf191edb502d3b0.png)
(2)记函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e9bfb03a784d710f225cc90d30919fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c925be255ca736a53b24d13ddede1a86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfdda677a581df60e5178ceb77335ae5.png)
您最近一年使用:0次
名校
解题方法
3 . 已知
,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2684b72f9f38f5046c8ecd4280b7b14b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f9cb0995df075927816646ee826ec3d.png)
A.1 | B.2 | C.3 | D.4 |
您最近一年使用:0次
名校
解题方法
4 . 若
,则“
”是“
”的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb63478132d4c1fef3c17e591919da83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e20720a4a2d116a05027d0e5cfef7c2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cf8cb1d1d1acb50e909bfb935761177.png)
A.充分不必要条件 | B.必要不充分条件 |
C.充要条件 | D.既不充分也不必要条件 |
您最近一年使用:0次
2023-12-02更新
|
763次组卷
|
3卷引用:重庆市第一中学校2023-2024学年高一上学期期中考试数学试卷
5 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caf5e79c8189a4c8c5e812752855f9c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43cb1f1c0a268221d028cfbdaee0bbf1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.A | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-11-30更新
|
291次组卷
|
2卷引用:重庆市云阳县实验中学2024届高三上学期11月检测数学试题
名校
6 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d1dd273996552ad959d7881f0cf7df4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c60869e01273c816c80cdd6ff0380d61.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
7 . 已知集合
,集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ca717c6a55e786238e64f7ebd69b9b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e108120fef2ab823ae52f1ffc442de4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-11-22更新
|
185次组卷
|
3卷引用:重庆市部分学校2023-2024学年高一上学期期中数学试题
名校
8 . 解不等式:
(1)
.
(2)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6315aca2c6895cadd68b5b43bf8e556d.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bec1a9bd4c3fe1ae7b58fd8078576c1.png)
您最近一年使用:0次
名校
9 . 已知函数
的定义域是
,记
的最大值为
,当
,
变化时,
的最小值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3717907f341d37169ce914f953dbad1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7242b2ab643f9470da77e29d043b893.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d09a2b7c019dae83e027830b82b3ee8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
您最近一年使用:0次
2023-10-29更新
|
684次组卷
|
4卷引用:重庆市第八中学校2024届高三上学期10月期中数学试题
重庆市第八中学校2024届高三上学期10月期中数学试题重庆市第八中学校2024届高三上学期适应性月考(二)数学试题上海市普陀区晋元高级中学2024届高三上学期秋考模拟数学试题(已下线)专题3 含绝对值的函数问题(过关集训)(压轴题大全)
10 . 若实数
满足
,则称
比
远离
.
(1)若
比
远离1,求实数
的取值范围;
(2)若
,试问:
与
哪一个更远离
,并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d32d4403d0e81eacfbe429dc51f07f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b782dd2de9c9caa840838cd63d817de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/384644d7bf34625fd3af5083436f5e25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29ebc856291255f2d4a6c20b982a2442.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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