1 . 已知命题
,命题
.
(1)求集合
;
(2)若
是
的充分条件,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d6d88667cabce58f3f7455592b61daf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03eef6ad5e897d7edd5d2943ab48f9a4.png)
(1)求集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.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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名校
解题方法
2 . 已知
,设集合
,
.
(1)当
时,求
;
(2)若“
”是“
”的充分非必要条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40e72f6b2ef3329828cb8fc873eeba7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/188791535098a44dcdea38cd18d79ba3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8dbd24c319178f0235d1e6616a7e673.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd876a2ed79c64bacc3e64b8ee92735e.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
2014·上海·二模
名校
3 . 集合
,若“
”是“
”的充分条件,则
的取值范围是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/571f1e02c525aba78675951bdcbaa3b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/131246c1f6405698b23ebd457fa14b80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/621c1d7db5e821ea084f124b879021ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2016-12-02更新
|
1291次组卷
|
4卷引用:上海实验学校2022届高三冲刺模拟4数学试题
上海实验学校2022届高三冲刺模拟4数学试题(已下线)2014届上海市十三校高三年级第二次联考理科数学试卷(已下线)2014届上海市十三校高三年级第二次联考文科数学试卷上海市实验学校2017-2018学年高三下学期第六次4月月考数学试题
4 . 命题“若
,则
”是真命题,实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86474b8b559afef08fa4ea228f84b77e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d6f8176207e5a1def009a17d30cdebd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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5 . 设函数
,设
,
,若
是
的充分不必要条件,则
的取值范围是____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ace539c214adf70e9db680085058e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d74f56a84089fc95e5338efa2418b945.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/920c5ffb500a946b2a37e6c496c46cbf.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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