名校
1 . 已知
求
的解集;
若
,对
,恒有
成立,求实数x的范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd9f98e0411f336e55b6de86afbc2e55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4141b26d2c32655003494a91ad6331b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db466e4b4654c70bf79fa77d293b38b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65863c1abad833b79c303bfca24f535c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39933bbb510526b146ebf74a1b239054.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16317ba64f5499277b6ed6eb1e890904.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6010d674b35f17c138d161b09f7ee713.png)
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2 . 已知关于
的不等式
的解集
;且函数
的定义域为
,则
的范围为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc4a95c3ca2a41a257a3144795f8e235.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1551585be433bbd1e9556076014872c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fca0ea0d1054c3ef748e198f79761124.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
3 . 设函数
,不等式
的解集是
.
(1)求实数
的值;
(2)若
对一切
恒成立,求
的范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fda0d32c2d821c5f9d967f0c9470bc68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d24227741bf427e6bd73490baf3c3d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa85800cca03f7451f5cf2f9879cc0bc.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32bcb69e181661c9b1803a83004adcf7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2017-02-08更新
|
428次组卷
|
3卷引用:2015-2016学年重庆市巴蜀中学高二理下学期期末数学试卷
10-11高二下·海南·期末
4 . 若
,使不等式
在
上的解集不是空集的
的取值是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eda48853e8bdb7e266370b4e0d5a258.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/767c3cc9cb4a6d90e9e629639df3442e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.以上均不对 |
您最近一年使用:0次
10-11高二下·辽宁本溪·期末
5 . 设函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcb4d847a64c278b0d6baef1c43b6314.png)
(1)求不等式
的解集;
(2)若不等式
(
,
,
)恒成立,求实数
的范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcb4d847a64c278b0d6baef1c43b6314.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0a9f7884d2a1a1f304d8d468d8dd47c.png)
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9419973899df1fc04eafdf9b1e8732d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20849c00c47cbdc43f18d53341b6c4e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d285a4c557fc9748105b62ccd94b7859.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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名校
解题方法
6 . 已知命题p:关于x的不等式
的解集是
,命题q:函数
的定义域为R.若
是真命题,
是假命题,求实数a的范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/755f08f72660a91e1618c1b96f73b5cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad916a0d34a46b357daf390bac6b723.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63cf3b2b1b982ecf18c5f02d963c6c43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f675824e539f50cec53120959d32e554.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
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2017-02-16更新
|
597次组卷
|
7卷引用:【全国百强校】西藏自治区拉萨中学2018-2019学年高二上学期第四次月考(期末)数学(文)试题
7 . 已知
.
(1)若
的解集为
,求
的值;
(2)若对任意的
恒成立,求实数
的范围.
![](https://img.xkw.com/dksih/QBM/2016/3/22/1572553528664064/1572553534627840/STEM/1e2dd3ffd90f46a5b17f51b99857f9b5.png)
(1)若
![](https://img.xkw.com/dksih/QBM/2016/3/22/1572553528664064/1572553534627840/STEM/6b470c6349b8419faea936a5882cf5ce.png)
![](https://img.xkw.com/dksih/QBM/2016/3/22/1572553528664064/1572553534627840/STEM/3e1d5cc8cc164173b79896a72891887e.png)
![](https://img.xkw.com/dksih/QBM/2016/3/22/1572553528664064/1572553534627840/STEM/16a8042f450340699f987e81be0729f5.png)
(2)若对任意的
![](https://img.xkw.com/dksih/QBM/2016/3/22/1572553528664064/1572553534627840/STEM/e80dc93bde3d452197414916d906e0ce.png)
![](https://img.xkw.com/dksih/QBM/2016/3/22/1572553528664064/1572553534627840/STEM/c68e0f5e9b4940cfa64167d43c1db1af.png)
您最近一年使用:0次
2016-12-04更新
|
331次组卷
|
2卷引用:2015-2016学年江苏省大丰市新丰中学高二上学期期末理科数学试卷
名校
8 . 已知
.
(1)若
的解集为
,求
的值;
(2)若对任意的
,
恒成立,求实数
的范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3503a1807d82efe0eeb77fe792dbb111.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b40fc41dac3987acaa766db9a15ad5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35ba1571be8ed473775ac6098cfda25e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(2)若对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/264fb1e5463d4a28e1a5bca55cf2f223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
您最近一年使用:0次
2016-12-02更新
|
901次组卷
|
9卷引用:2015-2016学年江苏省盐城市大丰新丰中学高二上学期期末理科数学卷
2015-2016学年江苏省盐城市大丰新丰中学高二上学期期末理科数学卷2015-2016学年江苏省盐城市大丰新丰中学高二上学期期末文科数学卷2016-2017学年安徽六安一中高二文上段测二数学试卷2016-2017学年安徽六安一中高二理上学期周检八数学试卷安徽铜陵市2016-2017学年高一下学期期末考试数学试题人教版高中数学 高三二轮 专题12 不等式问题 测试湖南省郴州市湘南中学2019-2020学年高三上学期期中考试数学(文)试题云南省丽江市第一高级中学2021-2022学年高二上学期期中考试数学(文)试题(已下线)专题04 《不等式》中的易错题(2)-2021-2022学年高一数学上册同步培优训练系列(苏教版2019)
名校
9 . 设不等式
的解集为
,且
.
(1)试比较
与
的大小;
(2)设
表示数集
中的最大数,且
,求
的范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9942656b065269633af3859d6106b3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5fcab2d899b5dfb8d8230e0f84fd5f3.png)
(1)试比较
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdaba8b1591046933f2f725b6b1bff7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20d6fc9b90f370fbb27552876b650f8f.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74dec63e6d30a41fcc8972397875bf46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fde9b9777705297bd121a2701390ecbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eabd5f3a86afe49dcd70571e2b96cfd.png)
您最近一年使用:0次
2016-12-04更新
|
281次组卷
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3卷引用:【全国百强校】江西省南昌市第十中学2017-2018学年高二下学期期末考试数学(理)试题
12-13高二下·辽宁沈阳·阶段练习
名校
10 . 若关于
的不等式
的解集为
或
,则
的取值为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b033727a6514a5d6d4a2832a9d13a11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6506c2c4b5d0e16d39cc0b0ea852e0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8e2d8df2505de1a25f1dc01a6f65404.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2016-12-02更新
|
955次组卷
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4卷引用:【新东方】杭州新东方高二数学试卷253
(已下线)【新东方】杭州新东方高二数学试卷253(已下线)2012-2013学年辽宁沈阳同泽女中高二下学期第一次月考理科数学试卷2016-2017学年湖北白水高级中学高二9月月考数学试卷天津市第一中学2022-2023学年高一上学期10月阶段测试数学试题