1 . 已知命题
为真命题.
(1)求实数
的取值范围;
(2)命题
:
,若
是
的必要不充分条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae88245eae4446aea28204e2ee13d03f.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/507a6fc82eadc377718f732120f4800d.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)
您最近一年使用:0次
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解题方法
2 . 已知集合
,函数
的值域为集合
.
(1)当
时,求
;
(2)若“
”是“
”的充分不必要条件,求正数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88ad14323ac3e6d44befe1bfde1f4297.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31162953851dd385ff04de523f9a3f18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)若“
![](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/0a6936d370d6a238a608ca56f87198de.png)
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3 . 若
成立的一个充分不必要条件是
,则实数
的取值范围为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac30706401a934c20e337749d2f64827.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d712e5dc451ae02ef4442ba59fb25a3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2023-11-11更新
|
601次组卷
|
2卷引用:上海市朱家角中学2023-2024学年高一上学期第二阶段质量检测数学试题
名校
解题方法
4 . 已知集合
,
,
(1)若
,求实数
的取值范围;
(2)若
的充分不必要条件是
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2af64ae51ef115f3e12274db8ec270a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66c010e29954c23286df0e8bf1c3c27c.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51691ede61c2ef3d4f44b1c0d34c5f17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acfc595518cf752e1c7903dfff93dbda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/320a7c616f6f7207a0a38bb707ac2205.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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解题方法
5 . (1)解关于x的不等式
.
(2)设
或![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6d865c250cb108736486d76045595da.png)
,从下面给出的集合中任选一个,填入下面的横线上,并解答下列问题.
①
;②
;
(ⅰ)求集合
;
(ⅱ)______,若“
”是“
”的充分不必要条件,求m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d90d787e62884a561b6cfb91285777e4.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0444384d25dddccf1ae5d0a965d301bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6d865c250cb108736486d76045595da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ded55acfbf73112d19b2a5790495c221.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eeb18b6b11fe49d5dfd972d747e31369.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/113232599773a5fa6e4009a3775e3d9b.png)
(ⅰ)求集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(ⅱ)______,若“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
您最近一年使用:0次
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6 . 已知集合
,
.
(1)若
求
;
(2)若
设
,已知
是
的充分不必要条件,则实数
的取值范围;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebf1d3c86553068040607e42e131e560.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae0e1803e4d588edcb04309543eb8f96.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87676cc3ca413d9ba64fab2cd45c909c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d32309e4eb1de9d20f6da87f99e08e46.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71e7581a9b1bdf7e15be780aaaecc4a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1172c80b0d9bcb52d4071f27171819ad.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)
您最近一年使用:0次
2023-11-05更新
|
121次组卷
|
7卷引用:江苏省南通市平潮高级中学2020-2021学年高一上学期12月学情检测数学试题
解题方法
7 . 已知
:关于x的方程
有实数根,
:
.
(1)若命题p是假命题,求实数a的取值范围;
(2)若q是p的充分不必要条件,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3626d51bf3e303397a03084e0d7d8134.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24eab578f424e2cc4ce1d02f0ece2604.png)
(1)若命题p是假命题,求实数a的取值范围;
(2)若q是p的充分不必要条件,求实数m的取值范围.
您最近一年使用:0次
名校
8 . 已知集合
.
(1)若
,求
;
(2)若
是
成立的充分不必要条件,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad8d241d7ac42d60cae39bd7bd140962.png)
(1)若
![](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/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2023-11-04更新
|
354次组卷
|
3卷引用:广东省汕头市潮阳实验学校2023-2024学年高一上学期第二次月考数学试题
名校
9 . “
,关于
的不等式
恒成立”的一个充分不必要条件是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d96b743603ab1c10330622f16db78dbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de0c532c8d547e483fae534876ef141c.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2023-11-02更新
|
656次组卷
|
5卷引用:重庆市杨家坪中学2023-2024学年高一上学期12月月考数学试题
名校
解题方法
10 . 已知非空集合
.
(1)若
,求
;
(2)若“
”是“
”的充分不必要条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f03bf6841310cb1b65c23bbe5dad60a8.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/182738e8b0915e50c3a87054ec6eba8c.png)
(2)若“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/320a7c616f6f7207a0a38bb707ac2205.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3591abc88bdadaf5fee459f4620fbd47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次