名校
1 . 集合
,集合
,则“
”是“
”的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b84f7f5cc624e9ddfb3ec93a627ddef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ceecdb9df8094f021099b4d4d2a5ce6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
A.充分不必要条件 | B.必要不充分条件 |
C.充分必要条件 | D.既不充分也不必要条件 |
您最近一年使用:0次
2024-06-08更新
|
972次组卷
|
2卷引用:湖南省长沙市周南中学2023-2024学年高二上学期期末考试数学试题
2 . 已知函数
,
.
(1)若
,求使
的x的取值范围;
(2)当
时,设
,求
在区间
上的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef9e5c2f3e134ee0bb885fdc71c99c49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb63478132d4c1fef3c17e591919da83.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab839d8569171afab5ed55c22013aa72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a71baf6217604517fd98fa97d0f55b43.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e357538192b0086515ca082025dad9b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/189b2da6c420bf8f8900002d14f65f72.png)
您最近一年使用:0次
2024-05-12更新
|
242次组卷
|
2卷引用:湖南省益阳市2023-2024学年高一上学期期末考试数学试题
名校
解题方法
3 . 已知关于x的不等式
(
,
)的解集为
,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52e307273d954f3890b9efb8cc838112.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c979ed0679700228375677476e02ede.png)
A.![]() | B.![]() ![]() |
C.![]() | D.![]() ![]() |
您最近一年使用:0次
2024-03-19更新
|
462次组卷
|
2卷引用:湖南省娄底市新化县2023-2024学年高一上学期期末数学试题
4 . 不等式
的解集是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7aa3f9864bb027c49c7dfb99dbaa763c.png)
您最近一年使用:0次
5 . 解下列关于x的不等式:
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e011b337fdb8459ca5006b772136c039.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e0fe43a39be19a3b29b2668bf01374e.png)
您最近一年使用:0次
名校
解题方法
6 . 解下列不等式:
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6d1e6941c2c0c9f1dc54ba8e4817970.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ced9f0737869840fa4618662ede8ece0.png)
您最近一年使用:0次
名校
解题方法
7 . 已知关于
的不等式
的解集为
,或
,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/909e65dd90e0e036af5d86236edddc29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17417d922dac412f1a723851ab9ba234.png)
A.![]() |
B.不等式![]() ![]() |
C.![]() |
D.不等式![]() ![]() ![]() |
您最近一年使用:0次
解题方法
8 . 已知函数
.
(1)若
,且
,
,求
的取值范围;
(2)若关于
的不等式
的解集为
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82b8de2391b377e6a1a206219f5333d4.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/143b917df0520097be222accbddf9394.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d96b743603ab1c10330622f16db78dbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3461af4cd496aab2d285bfead287c6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be8c9c68b92a181e9f4ca70a7736d665.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2b2e67cd10ebbced3d964ab0dc5c298.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dca39c7f527c4eebdbe58949289a5f6c.png)
您最近一年使用:0次
解题方法
9 .
,不等式
恒成立,则实数
的取值范围为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34d45d7ea5f629ec53a3726250fd9713.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9aa6ecf57fba086c6016f5e9452c831.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
10 . 已知全集
,集合
,
.
(1)求集合
,
;
(2)若
是
的充分不必要条件,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860ebb6f76cd3cb9a265dfc233002a13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c800874bac14310a70105f938eedb31b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07868a85b0e15094ea843cf04e9b4ac7.png)
(1)求集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.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