名校
1 . 不等式
的解集是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/067672b070f95a8bc66abc5b38cfd83c.png)
A.![]() | B.![]() |
C.![]() ![]() | D.![]() ![]() |
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2 . 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
|
136次组卷
|
2卷引用:河北省辛集市第三中学2023-2024学年高一上学期10月月考数学试题
解题方法
3 . 解决下列问题.
(1)已知关于
的不等式
的解集为
,求实数
的值;
(2)若关于
的不等式
恒成立,求实数
的取值范围.
(1)已知关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b6d03dfc5b4ce38e17403b3b49fdc15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/598a7d8ab9c8826b16945caba9f8eaa1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(2)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92bb69bda90df3963887f8958e911ded.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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4 . 已知关于
不等式
的解集为
.
(1)求实数
;
(2)解关于
不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7df9a63d3a01828fadfc3bbf4abcc49c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9793eff6ef78e28f4788e1ad865ee66.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62ff2912fd8d93b6e692936d95b727c5.png)
(2)解关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db9e628e13c64e04b41fe20f754ef4b9.png)
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解题方法
5 . 设
.
(1)若不等式
对于任意
恒成立,求实数a的取值范围;
(2)解关于x的不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe30c3ac283beb5aa65c92ea0b4f0496.png)
(1)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5967cc62862986840af4dd29df4bcc41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
(2)解关于x的不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f917399b4cb834256d769161987831d.png)
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2024-01-10更新
|
953次组卷
|
3卷引用:河北省石家庄市第二十八中学2023-2024学年高一上学期期中数学试题
名校
解题方法
6 . 已知集合
.
(1)
时,求
;
(2)若
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77afcec93d996227d07cd89a2f5479dd.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0086b054ef120408acac806a1b1318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caf22d7d1a965bda25168a233fb6290c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2024-01-10更新
|
317次组卷
|
2卷引用:河北省石家庄市第一中学2023-2024学年高一上学期第三次月考数学试题
名校
7 . 已知集合
,
,则
的真子集个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f6bdda204b5509a63e218aa825e9955.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a160cbe42a4e85bbe785fc0f733d597.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
A.2 | B.4 | C.3 | D.7 |
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名校
8 . 已知函数
的定义域为
,并且满足下列条件:
①
;②对任意
,都有
;③当
时,
.
(1)证明:
为奇函数且在R上单调递减;
(2)若
对任意的
恒成立,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/492269c463a2dd4cde7abbaac3e4a64d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5ab4b75fa22deba7fcbcdcb31dd45b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd384d86840b7b158af41f56fe29c7d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b666663ce3537a634a3b427b418eb62.png)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d957d0e57a6ba2f1cec3c847cd5dbcf7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba7c665562a0488434cc90a775efb824.png)
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名校
解题方法
9 . 下列结论不 正确的是( )
A.若关于x的不等式![]() ![]() |
B.![]() ![]() ![]() ![]() ![]() |
C.若函数![]() ![]() |
D.若函数![]() ![]() ![]() |
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解题方法
10 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69a2f6167652ec04804ee49ce70df61a.png)
(1)当
时,解不等式
;
(2)已知
,当
时,若对任意的
,总存在
,使
成立,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69a2f6167652ec04804ee49ce70df61a.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22e38c541dec8fce1d26886e5ef7d21f.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/163cc6095a37649c9f31656f5d77aa53.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/204687ff0d957eece42db00f067f15a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/983e07314433b8a027b766efeb2c9202.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48bd584305648283baacc9d04d013eba.png)
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