解题方法
1 . 若不等式
对于
都成立,则实数m的取值范围为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cf86ad7441111a7a697a7d29c3c59f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb63478132d4c1fef3c17e591919da83.png)
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2023-11-14更新
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2卷引用:陕西省安康市名校2023-2024学年高一上学期期中联考数学试题
2 . 已知命题p:方程
有实根,q:不等式
的解集为R.若命题“
”是假命题,则实数m的取值范围是__________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36bcb4df710cf7fc5a4159380ae5451e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aae3e0f9edf0db6cc66f1f62b334975c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f675824e539f50cec53120959d32e554.png)
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解题方法
3 . 已知
,命题
:
,
;命题
:
,
.
(1)若p为真命题,求实数m的取值范围;
(2)若命题p,q有且只有一个是真命题,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b6a5b26336eff06ce06c4e44a376687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e434d52b7741e42c21c2785eb07ffcaf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eb7f7848f79e406cf0091dd78d26bed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37b499436ded6a6ffafb5051fe3d00ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89bdf1717c68cfc8a306ee79757e7e21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28ca73589b5da995b84a3b4dd53871c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a9f343e562ab29e4eccc83d0e793cdf.png)
(1)若p为真命题,求实数m的取值范围;
(2)若命题p,q有且只有一个是真命题,求实数m的取值范围.
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2022-10-24更新
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2卷引用:陕西省安康市2023-2024学年高一上学期12月联考数学试题
名校
解题方法
4 . 已知
:函数
的定义域为
,
:对任意
,都有函数
.
(1)若“
且
”是真命题,求实数
的取值范围;
(2)若“
或
”是真命题,“
且
”是假命题,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3a06d460d37c5482eea668a0155ff7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0bbb8a154fd7805b0a5625cc6ed2e0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81cedd81ffa1759c5fda884d45bbfd30.png)
(1)若“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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5 . 已知不等式
的解集为空集,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2981424ced8dfd463618885c7a61303.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() |
C.![]() ![]() | D.![]() ![]() |
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名校
解题方法
6 . 已知
,
.
(1)若
为真命题,求
的取值范围;
(2)若
为真命题,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea2cf4189366409ab1ce7c1ed904f312.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e1783ce7409e59995999386403709f5.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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19-20高一·浙江·期末
解题方法
7 . 命题“
恒成立”是假命题,则实数a的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80092904e98519be473227cbeda1236a.png)
A.![]() ![]() | B.![]() ![]() | C.![]() ![]() | D.![]() ![]() |
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