解题方法
1 . 设函数
,其中
.
(1)若命题“
,
”为假命题,求实数
的取值范围;
(2)判断
在区间
上的单调性,并用函数单调性的定义证明你的结论.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32d2c4d804f4c0120d38e2fc897a9c4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c51159984b2cb00f30b3986315019623.png)
(1)若命题“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ccd7af9298cd5ff19d8866fedb42ec4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a71baf6217604517fd98fa97d0f55b43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(2)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab409bb25958c2f01c73e26042c6f51e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28ce82779a834a6871c96515eaaa5571.png)
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2 . 设命题 p:对任意
,不等式
恒成立; 命题q:存在
, 使得不等式
成立.
(1)若p为真命题,求实数 m 的取值范围;
(2)若命题p,q至少有一个是真命题,求实数 m 的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/538193a4717d564c01145e82314c2d1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d74c3f71d4c7a974814b024eabbc1622.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66f0ca536621ec8db02707ba65917029.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/402e03456d9a208f5c41785e39f31092.png)
(1)若p为真命题,求实数 m 的取值范围;
(2)若命题p,q至少有一个是真命题,求实数 m 的取值范围.
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解题方法
3 . 已知命题
:
,
为假命题.
(1)求实数
的取值集合
;
(2)设非空集合
,若“
”是“
”的必要不充分条件,求实数
的取值集合.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8645952ea14b25443f411d39bdec641e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd9075906403e61e4c36ace6e7069d6e.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)设非空集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17c8154db176c573974bddf59d4efbfa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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解题方法
4 . 已知命题
是假命题.
(1)求实数m的取值集合B;
(2)设不等式
的解集为A.若
是
的必要不充分条件,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d568ac726a89e09b589b5bb5681f85f3.png)
(1)求实数m的取值集合B;
(2)设不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfe4c332e28f011f9ee6f6267c8f3056.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
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2023-11-11更新
|
119次组卷
|
2卷引用:福建省福州市六校联考2023-2024学年高一上学期期中联考数学试题
名校
解题方法
5 . 设函数
.
(1)若命题:
,
是假命题,求m的取值范围;
(2)若对于
,
恒成立,求m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de557d67050f0059e7ba16f19605dbc8.png)
(1)若命题:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ccd7af9298cd5ff19d8866fedb42ec4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc65d6eb9b63f96d80b54ec9893aee8d.png)
(2)若对于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/998485ffeb46a0412ff1a0f814429257.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6f13b19355375ff4ccce771069e04ea.png)
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解题方法
6 . 已知
,命题
:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49dac463bbb7375dbf8e2246f9a6f0d9.png)
,不等式
恒成立;命题
:
,使得
成立.
(1)若
为真命题,求
的取值范围;
(2)当
时,若
和
一真一假,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40e72f6b2ef3329828cb8fc873eeba7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49dac463bbb7375dbf8e2246f9a6f0d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3e46371f310e03a153a1698aad9d4c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7325bb368de012fac49eaa50932c289f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3757e17cad80d236dfc0b6b1c6dcc35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ba5089203ba1a4bb8382056d68726ea.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.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/294f5ba74cdf695fc9a8a8e52f421328.png)
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解题方法
7 . 已知命题“
,方程
有实根”是真命题.
(1)求实数m的取值集合A;
(2)关于x的不等式组
的解集为B,若“
”是“
”的充分不必要条件,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ccd7af9298cd5ff19d8866fedb42ec4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7404af9d29f9a9c39b04c9e846b5f0a.png)
(1)求实数m的取值集合A;
(2)关于x的不等式组
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2f3339b45b0020f9e7fcac4a652e569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
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2023-10-21更新
|
323次组卷
|
4卷引用:福建省泉州市泉州科技中学2023-2024学年高一上学期期中数学试题
名校
8 . 已知
,命题
:
,
;命题
:
,
.
(1)若
是真命题,求
的最大值;
(2)若
、
中有且只有一个是真命题,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8907aa4d6e40a01349eff77bfc4e112.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3603944a379486313682c54c0d856c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02491f9709f00a1bc169278fbe01f576.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bc0b4e86e5eec3fc4f0a8618769a347.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/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2023-10-14更新
|
335次组卷
|
4卷引用:福建省福州屏东中学2023-2024学年高一上学期期中考试数学试题
福建省福州屏东中学2023-2024学年高一上学期期中考试数学试题江苏省盐城市响水中学2023-2024学年高一上学期10月学情分析考试数学试题湖南省岳阳市湘阴县知源高级中学2023-2024学年高一上学期第一次月考数学试题(已下线)高一数学上学期第三次月考模拟试卷(第1~6章)-【题型分类归纳】(苏教版2019必修第一册)
9 . 已知命题
,
.
(1)若
为真命题,求实数
的取值范围;
(2)命题
关于
的一元二次方程
的一根小于
,另一根大于
,若
、
至少有一个是真命题,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/248d3fb187b56abeb0317dee8ae6a010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2380f2daf2ad77fb1f3a0723936766f5.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce20ef9c08e82df8c7f45bac6dd31d36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c741e90683346987bcc7745fe4ecdfc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c95b6be4554f03bf496092f1acdfbb89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.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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2023-10-13更新
|
284次组卷
|
3卷引用:福建省南安市本真高级中学2023-2024学年高一上学期期中考试数学试题
2023高一·江苏·专题练习
名校
10 . 已知,命题
,命题
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcb5c09710568acb7ef0d272be73448b.png)
(1)若命题p为真命题,求实数a的取值范围;
(2)若命题q为真命题,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18c92114e27c2b18c79907e1feb4751e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/060723c24befe2de96ae7874bc64dc0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcb5c09710568acb7ef0d272be73448b.png)
(1)若命题p为真命题,求实数a的取值范围;
(2)若命题q为真命题,求实数a的取值范围.
您最近一年使用:0次