名校
1 . 已知函数f(x)
的定义域为集合A,不等式mx2﹣5x+2>0的解集是M,且满足2∈M,1∉M的m的取值集合为B,集合C={x|2m﹣1≤x≤m+1}.
(1)求A∪B;
(2)若A∩C=C,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a73fffb9b0be5cff9aae8376051484d7.png)
(1)求A∪B;
(2)若A∩C=C,求实数m的取值范围.
您最近一年使用:0次
2019-12-05更新
|
265次组卷
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3卷引用:山东省青岛市第二中学2019-2020学年高一上学期期中数学试题
名校
2 . 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
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2卷引用:上海市上海外国语大学附属外国语学校2015-2016学年高一上学期期中数学试题
名校
解题方法
3 . 设集合
为关于
的不等式
的解集,集合
为关于
的不等式
的解集.
(1)求集合
;
(2)若集合
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01e47686a0f7a8755dec86fb8bc803a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73f04377938ef4c0741dc3e3afe61dd9.png)
(1)求集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caf22d7d1a965bda25168a233fb6290c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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4 . 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)
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9-10高二下·辽宁大连·期末
名校
5 . 设关于x的不等式
的解集为A,不等式
的解集为B.
(1)求集合A,B;
(2)若
,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19d57674f36bf5c1f8098d80be12a310.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2eedf8e27f42f6bb0d696fb95fc8a446.png)
(1)求集合A,B;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2ad78dc8b8aed907b4fe9640c997454.png)
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2020-01-04更新
|
571次组卷
|
4卷引用:辽宁省大连市长海高中09-10学年高二下学期期末考试数学试题文科
(已下线)辽宁省大连市长海高中09-10学年高二下学期期末考试数学试题文科辽宁省盘锦市辽河油田第二高级中学2019-2020学年高一上学期期中数学试题北京市首师大附中2019-2020学年高一上学期期中数学试题(B)北京市首都师范大学附属中学2019-2020学年第一学期期中考试高一(5-11班)数学试题
名校
6 . 不等式
和
的解集分别为
和
,且
,则实数
取值范围是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7ec250964c06c999cbd4c689dd654fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f267da0b01cfb5dca18cbf605bc610cb.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)
A.(0,1) | B.[0,1] | C.[-1,1] | D.(-1,1) |
您最近一年使用:0次
2019-12-28更新
|
195次组卷
|
2卷引用:河北省石家庄市辛集中学2019-2020学年高一上学期第一次月考数学试题
名校
7 . 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)
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2020-03-15更新
|
277次组卷
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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
解题方法
8 . 已知不等式组
,的解集为
,集合
.
(1)若
,求
的取值范围;
(2)若
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8aa25c1088863a7339c8a8aaf71c9b36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccf0f1d912e597c4f564cd503f585b6c.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95321d0e551daa25104d32157249c23d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04ceb1f338fa60976229d7ec6531b626.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
9 . 已知
,不等式
的解集为
,不等式
的解集为A,
(1)求实数k的值;
(2)设集合
,若
,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34b3924ecd40ce359494f90c28039cf0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daa175c2e4b215a1adc68377a0827d6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d82ec141c8e84ac00891f48577052e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2277165e6d492ae07c2ad9eba2fceabc.png)
(1)求实数k的值;
(2)设集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f478948da1e3ebe0efd9e18ee53aa9d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96f1ba0a1129741502600e47bf058c98.png)
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2020-02-12更新
|
177次组卷
|
2卷引用:上海市杨浦区2016-2017学年高一上学期期中数学试题
名校
10 . 记关于x的不等式
的解集为P,不等式
的解集为Q;
(1)若
,求P;
(2)若
,求实数
的取值范围;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7658d05d17b00387b7b16b40b186967c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99fce08ef1e44c1d32228f064947ba1a.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65397f11ea8af736f38debadf420c4a.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1baa634adb05b27164ef44a272cda31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次