1 . 已知三个不等式:①
;②
;③
.
(1)若同时满足①、②的
值也满足③,求
的取值范围;
(2)若满足③的
值至少满足①和②中的一个,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09bc5773a87d2996b87c4bdebe9585d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22f6de33ba956065bc510e3d4d92de5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1989df0e78fb7aa068eddc3ce243ee04.png)
(1)若同时满足①、②的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若满足③的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2 . 设
,
表示不大于
的最大整数,如
,
,
,则使
成立的
的取值范围______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb63478132d4c1fef3c17e591919da83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c4f5908d6a1217e493ed7586b6964dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec13b2c5950301683e240faf02340617.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf813e9500eebd474511b865b876ea4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b14deb62148a6699fc66aa2e454cc0d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d711656b53ca3f4e78c5c1606f7d4ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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2019-10-30更新
|
236次组卷
|
3卷引用:沪教版 高一年级第一学期 领航者 第二章 每周一练 (2)
3 . 已知不等式
的解集设为
.
(1)求集合
;
(2)已知不等式
的解集为
,判断集合
、
的关系.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c358f4c135c99c0172d540590363630.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(1)求集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)已知不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9af145bb4a85b60b2cae0fc2bf374630.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
您最近一年使用:0次
2019-10-30更新
|
249次组卷
|
2卷引用: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)
4 . 解下列不等式:
(1)
;(2)
;(3)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b0d7c59387b5d17ad70034698df7011.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30e6d4b307260bbc98d9cd432648a5f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d83811e8a43b04eb1c89f73dd4529ab2.png)
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5 . 已知函数
.
(Ⅰ)若
,解不等式
;
(Ⅱ)若
,使得
成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/002e83379e9cc15656508e7455bc9a0f.png)
(Ⅰ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/369100ccd44feaa77e5f119ea949a879.png)
(Ⅱ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1485a4756c56f1126b9825d5019d544c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/940adbf54e96ecb2bb2637e5f976a3b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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名校
6 . 已知函数
.
(1)当
时,求不等式
的解集;
(2)若对一切实数
都有
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/668abac56ceeb13aa5e3791902eed56a.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79d5a0e25aebe1cc182d2247ed344652.png)
(2)若对一切实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e2405c4822bceae1cf191edb502d3b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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7 . 函数
,满足
,且
在
上有最大值
.
(1)求
的解析式;
(2)当
时,
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2faa9041f760356f636d784f277300dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f5704be464d81a1c74c626bb4752f75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ab5e0524def52baf53480b8726784ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18483c9c195ecd922772527fa85c0fcb.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f82f8dc8860756e0b4b4402316da446a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e72a8123766231fd9c7dcc930539a38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
您最近一年使用:0次
名校
8 . 已知
.
(1)当
时,解不等式
;
(2)若
的最小值为6,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42a0ff5e8eabcb168afde7e32de20f8c.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5b562ca77fa64f3ebe40e0ad49833d5.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
9 . 已知函数
.
(1)求不等式
的解集;
(2)设
,若
对任意
成立,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff4d823c3deb0d10dad0cb975affdfc3.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00983cd16d3d6bfb62f922a20e4ae6e1.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c0e9d1ad9561d693958756ee8398218.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccc3cef57424a1e488b994448d726ce2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432793c48a89aa2568c884f0283c5a9a.png)
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2019-09-26更新
|
791次组卷
|
3卷引用:重庆市南开中学2020届高三上学期第一次教学质量检测考试数学(理)试题
重庆市南开中学2020届高三上学期第一次教学质量检测考试数学(理)试题(已下线)2020届高三12月第01期(考点15)(理科)-《新题速递·数学》2020届湖南省长沙市长郡中学高三第二学期停课不停学阶段性检测理科数学试题
名校
10 . 已知
.
(1)解不等式
;
(2)若存在
,使不等式
成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fc820f7d85bbe9c57d6eaed1b471c5f.png)
(1)解不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee4c3872583bef56de103e4a4df05838.png)
(2)若存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30c7f851b964af7d64b350eb5d589592.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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