名校
1 . 已知不等式
的解集为A,
的解集为B,若“
”是“
”的充分不必要条件,那么实数m的取值范围是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1692b640417d185337e205fdf285faed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c1b78cdf527aa9294e94d5dbbc3d4da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
您最近一年使用:0次
2020-02-16更新
|
2418次组卷
|
7卷引用:2020届江苏省南京师大附中高三下学期期初数学试题
2020届江苏省南京师大附中高三下学期期初数学试题广西壮族自治区钦州市第四中学2023届高三上学期9月考试数学(文)试题安徽省芜湖市2019-2020学年高二上学期期末数学(文)试题福建省福州教育学院第二附属中学2020-2021学年高二上学期期中考数学试题四川省邻水实验学校2020-2021学年高二上学期第三阶段考试数学(理)试题(已下线)专题1.2 由集合关系求参数取值范围 B卷-2021-2022学年高一数学单元卷模拟(易中难)(2019人教A版必修第一册)广西南宁市广西大学附属中学2023-2024学年高一上学期期中段考数学试题
名校
2 . 已知函数
.
(1)若
是不等式
的解集的子集,求实数
的取值范围;
(2)当
时,存在实数
,使得不等式
成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fac7980a2eef143eb6a431ab5495707.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/499a8449e8bb253065463c23f3ff5860.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0a9f7884d2a1a1f304d8d468d8dd47c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/629d6ce15f315df812a6d75d18cf9c98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2020-03-15更新
|
277次组卷
|
2卷引用:2019届贵州省贵阳市普通高中高三年级上学期摸底理科数学试题
名校
3 . 已知函数
,
,当
时,恒有
;
(1)求
的表达式;
(2)设不等式
,
的解集为
,且
,求实数
的取值范围;
(3)若方程
的解集为
,求实数
的取值范围;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a6dd87388af5751b11a8bf718869cbf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3471484b64504fc545398f52be830010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6706391d44663417b5679a72f5a55cd6.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)设不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8aa4414b47c0bbbb6e1bc1a91e07dc1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cea72e0c37257bcfd85a59ef8dd0f80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3de71bc150fba649c5241d982ecb258.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(3)若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3b97b4c4aa110a1cf5842d0ce1de48f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a837165ca03f9e4ea8964979c95e3bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
名校
4 . 记关于
的不等式
的解集为
,不等式
的解集为
.
(1)若
,求
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d3f0c532d78daf61ac6b5e2268d4207.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7124a957795334fa6bf4e200d4cf0300.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65397f11ea8af736f38debadf420c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1baa634adb05b27164ef44a272cda31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2020-02-04更新
|
189次组卷
|
2卷引用:上海市浦东新区杨思高级中学2023届高三上学期期中数学试题
5 . 已知二次函数
的定义域为
恰是不等式
的解集,其值域为
,函数
的定义域为
,值域为
.
(1)求函数
定义域为
和值域
;
(2)是否存在负实数
,使得
成立?若存在,求负实数
的取值范围;若不存在,请说明理由;
(3)若函数
在定义域
上单调递减,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dc1d4dfe9b98c934cb60526c8e36074.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b98d1a5f29c0ef6d735ab302ad592617.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2966faea2bdf17a1c9312873cfda0fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/304226ca50149b49702928e44d565964.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)是否存在负实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2ad78dc8b8aed907b4fe9640c997454.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2966faea2bdf17a1c9312873cfda0fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/304226ca50149b49702928e44d565964.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
您最近一年使用:0次
名校
6 . 已知二次函数
的定义域
恰是不等式
的解集,其值域为
,函数
的定义域为
,值域为
.
(1)求
定义域
和值域
;
(2)试用单调性的定义法解决问题:若存在实数
,使得函数
在
上单调递减,
上单调递增,求实数
的取值范围并用
表示
;
(3)是否存在实数
,使
成立?若存在,求实数
的取值范围,若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dc1d4dfe9b98c934cb60526c8e36074.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaeb4dd94c30a0599a8ae132976af64d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2966faea2bdf17a1c9312873cfda0fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/304226ca50149b49702928e44d565964.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)试用单调性的定义法解决问题:若存在实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f56988dfa7e8a5ee6d943dc9c9d93006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2966faea2bdf17a1c9312873cfda0fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf93b65e769d840720e01769685740a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/660c5ba1a2501c7e16b5357e1e850400.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
(3)是否存在实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2ad78dc8b8aed907b4fe9640c997454.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
您最近一年使用:0次
2019-12-04更新
|
485次组卷
|
3卷引用:上海市七宝中学2018-2019学年高三上学期第一次月考(10月份)数学试题
7 . 已知关于
的不等式
的解集为集合
,函数
的定义域为集合
(其中
).
(1)若
,求
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8326da5f7c9282ab9377edeb2889b25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5862eb77c961e162be0afb3948eaf529.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcd9218a657b17654c5d757a6f7dee9a.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd876a2ed79c64bacc3e64b8ee92735e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2855c9d5541b04347f9b3ea405f257df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
名校
8 . 已知集合
,关于
的不等式
的解集为
,若
,则实数
的取值范围是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f22b113bb78cacf6415d090137d3815e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85bba26458682f7494478d27eda28a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04ceb1f338fa60976229d7ec6531b626.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.(-∞,-1] | B.(-∞,-1) | C.(-1,+∞) | D.[-1,+∞) |
您最近一年使用:0次
2019-11-15更新
|
365次组卷
|
2卷引用:辽宁省丹东市凤城市第一中学2019-2020学年高三上学期12月月考数学(理)试题
真题
9 . 关于实数
的不等式
与
的解集依次记为
和
,求使
的实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c00ce2d2d0be54553be468a85cc772d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb5d21acdda41f5ebf084eaffc6c564a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2ad78dc8b8aed907b4fe9640c997454.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2019-10-30更新
|
1700次组卷
|
6卷引用:1990年普通高等学校招生考试数学试题(上海卷)
1990年普通高等学校招生考试数学试题(上海卷)沪教版 高一年级第一学期 领航者 第二章 2.3其他不等式的解法(2)沪教版(上海) 高一第一学期 新高考辅导与训练 第2章 不等式 阶段训练4沪教版(2020) 必修第一册 领航者 一课一练 第2章 2.2 第6课时 含绝对值不等式的求解(已下线)第1章 集合与逻辑(基础、典型、新文化、压轴)分类专项训练-2022-2023学年高一数学考试满分全攻略(沪教版2020必修第一册)第一章 集合与逻辑(知识归纳+题型突破)-速记·巧练(沪教版2020必修第一册)
10 . 记不等式
的解集为
,函数
的定义域为
,若
,则实数
的取值范围为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f90af9ba1a3d2362ecba6775e1d0030.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f1ddeec6ffc952503e0b53dad8096d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2ad78dc8b8aed907b4fe9640c997454.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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