名校
1 . 已知集合
,
.
(1)当
时,求
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61241dcbf7b8710b40fac16129710bb4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ca1d48db7a6d8ea8e2584efa411756a.png)
(1)当
![](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/fdbbe46a98a8fdebfc46fcbc45dc88e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2020-01-15更新
|
934次组卷
|
6卷引用:湖北省宜昌市宜都市第二中学2020-2021学年高一上学期9月月考数学试题
名校
解题方法
2 . 设集合
,集合
.
(1)若
,求实数
的值;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97927627b6890964c516f02dc34ed2f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17f3244015dd2dede844f510bab48635.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbc992c9e51d4b22232adf6bb5c8055a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdbbe46a98a8fdebfc46fcbc45dc88e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2020-02-23更新
|
282次组卷
|
3卷引用:河北省唐山市第一中学2021-2022学年高一上学期10月月考数学试题
名校
3 . 已知集合
为函数
的定义域,集合
.
(1)当
时,求
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f8c91926ffb8dddca8df93307e80e35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e53b41903abccffacc36e02705ff582.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/551fd8cd8ea61d794c13074ccd7d6c4e.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdbbe46a98a8fdebfc46fcbc45dc88e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2020-02-04更新
|
421次组卷
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3卷引用:江西省赣县第三中学2020-2021学年高一12月月考数学试题
名校
4 .
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f09bbf6a1a434148846d36aa9e117301.png)
(1)若
,求
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b821ab912a2b856f127c643e376511ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f09bbf6a1a434148846d36aa9e117301.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa4c355f11471a38f5583a434a1ddeb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae3516cead1976248defbf1ffe368170.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd9d50619b779c1056602f46b2a95e90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2019-12-25更新
|
179次组卷
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2卷引用:宁夏石嘴山市平罗中学2019-2020学年高一上学期12月月考数学试题
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5 . 若关于
的不等式
的解集为
,
的解集为
.
(1)试求
和
;
(2)是否存在实数
,使得
?若存在,求
的范围;若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/374d5551b9e7ca9734d0d13301d8001a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/702d9438cd5abb9efc10b661d8732882.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(1)试求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)是否存在实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95321d0e551daa25104d32157249c23d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
6 . 已知集合
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f109948c9c4524dc33e6fad37a7fd1f.png)
(1)若
,求a的取值范围;
(2)若
,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7dc60dac5c008368c97befeef85a0f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f109948c9c4524dc33e6fad37a7fd1f.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e350088f6381527435410ceb47575097.png)
您最近一年使用:0次
名校
7 . 已知集合
,
.
(1)当
时,求
;
(2)若
,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d303abeefa1e6dbdcfd42c31dc14dc41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d2de7fd0c26140e08600774378dca2a.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65397f11ea8af736f38debadf420c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/126fdf5a6e9b2d7c23d57798318da453.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95321d0e551daa25104d32157249c23d.png)
您最近一年使用:0次
名校
8 . 已知集合
,
,是否存在实数
,使
,
同时满足下列三个条件:①
;②
;③
?若存在,求出
的值;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1508742cff23b60aa2f5e48dd3ce1f09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48de3fb022e2fc337a3c945c24676364.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb584b83ae783a0ec8a9b4628b7fca3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd9d50619b779c1056602f46b2a95e90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd7fbcdb1cc901fad3c3d9a5822ea00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2019-11-04更新
|
451次组卷
|
2卷引用:山西省朔州市怀仁一中2019-2020学年高一上学期第二次月考数学试题
9 . 已知集合
,
,若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc6bd17cd87e0798b301f3d065331013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81a98124e203a4576961e58164020bfd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdbbe46a98a8fdebfc46fcbc45dc88e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
10 . 集合
,
,
.
(1)若
,求
的值;
(2)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d99a4a3f2cea8576bd1c5259dadf95c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11c8b2ff6eb65276a49a058a7942a7d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/baff5402f3d63db811c59b9eb26e2586.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d863dc7fbb5ef32811354df8f0be5c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2538056427519c9332699cb27a115e3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2019-10-27更新
|
324次组卷
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2卷引用:山西省太原市实验中学2019-2020学年高一上学期10月月考数学试题