名校
1 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/902b012fa6535bbf6d225ad9485aa113.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ef23d1608222047ebb47d938e32a9d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1336d38741aab2255a35c26612bbd7cc.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-06-15更新
|
430次组卷
|
2卷引用:海南省2022-2023学年高二下学期学业水平期中考试数学试题
名校
解题方法
2 . 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.![]() ![]() |
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2024-03-19更新
|
473次组卷
|
2卷引用:湖南省邵阳市绥宁县第一中2022-2023学年高一下学期期中考试数学试题
名校
解题方法
3 . 已知函数
,且
.若
时,
恒成立,则m的取值范围为___________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79f9631420660bf176b1fb4e111885b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/172dd7f1d734264058036e70642d56ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1591d4244dcf5539a4ae98f554e91e61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5b2379f8d97dac6f7ddf3f262968768.png)
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解题方法
4 . 已知函数
.
(1)求不等式
的解集;
(2)若
,不等式
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/276246854dd33691f6798db87faeea0b.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d37dafb12565279285111a5948d835b2.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
5 . 已知集合
,
.若
,
,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27b4eed5f0190b4616cec441fd012957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b772600b64cb057f83fd11c3e5eab164.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f894cbf5e2f02b4e7462d5ef94c968a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28319174975bd87487e49585c65a79a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
6 . 已知函数
,
且
.
(1)若
,求不等式
的解集;
(2)若
,令
,若对一切实数
,不等式
恒成立,求实数
的取值范围;
(3)若
,试确定
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f289862f955d78d7b7a9f690d46b6544.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/156ae979b26b86d8bf54212b47336432.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b046fa14312a1dfa0a8a9da1de08525a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e158f84423db928d56afe4d94c83eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90418d124a68d162a5ead1900cba6fdd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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7 . 下列不等式的解集不是
的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
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8 . 已知不等式
的解集是
.
(1)求实数
的值.
(2)解不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c64aadb3f6c4fd734de4a50ec93347d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3432701dcc6000f25c5ea3a7937f2e7e.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
(2)解不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fc9b0e74831ec5605976bf54d697d9e.png)
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9 . 当x是什么实数时,下列各式有意义?
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3ec8454402ff44a030658b4a46f786c.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac3c9f8dc597df12c501c8d6a8a81118.png)
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2024-06-09更新
|
137次组卷
|
2卷引用:贵州省铜仁市第八中学2023-2024学年高一上学期期中考试数学试题
名校
解题方法
10 . (1)解不等式
;
(2)解关于
的不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e35f874f2c74d693c6bfbe8ec461990.png)
(2)解关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8495da9a91bf7bfa549ca3aa4b496f37.png)
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2024-06-04更新
|
773次组卷
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2卷引用:安徽省马鞍山市第二中学2023-2024学年高一上学期期中测试数学试卷