解题方法
1 . 已知关于x的不等式
的解集为A,函数
的值域为B.
(1)若a=3,求
;
(2)若
,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd2b1272c4c7dbf07545fde7950983ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40189a7ae13ae5e9636681cb92884117.png)
(1)若a=3,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a964b99d839b459f7f14af1d512edcf4.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7e8afff7a917e4a597c144198763cdb.png)
您最近一年使用:0次
2023-06-18更新
|
75次组卷
|
2卷引用:江苏省扬州市2022-2023学年高一下学期期初考试数学试题(B卷)
2 . 已知函数
是定义在
上的偶函数.
(1)求实数
的值;
(2)记
,
①当
时,求
的值域(用
表示);
②若存在r,s,
,使得
,求实数
的范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4a0ca3ecb62d29e70ba438a9a59a277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbc9eb2cf5cc63aa94371b564a7f2388.png)
①当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e02cab1add26335b3cb43d5b54c7c853.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
②若存在r,s,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cd0fe883569bbe8070ef231b3596b60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71dd7c1917441a68285a4eaa3a9367ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2023-06-15更新
|
427次组卷
|
3卷引用:江苏省扬州市2022-2023学年高一下学期开学考试数学试题
解题方法
3 . 设全集
,集合
,非空集合
.
(1)若
,求
;
(2)若“
”是“
”的充分条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860ebb6f76cd3cb9a265dfc233002a13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e483601f7861987c97fee57bf02eb15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cad965b620d82e78383c8579e181ff7b.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebebdf8def10541082878cbf9bfe03e5.png)
(2)若“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
解题方法
4 . 已知集合
,
.
(1)在①
,②
,③
这三个条件中选择一个条件,求
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71c9cf5d7c0785ef63e018ce594db9ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fd838efa4c7054cbafecf84a51b6bb.png)
(1)在①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/753577491d3b50b98792dbd9801d6421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2022-12-26更新
|
783次组卷
|
5卷引用:江苏省扬州中学2021-2022学年高一下学期开学考试数学试题
名校
解题方法
5 . 设全集
,已知集合
,
.
(1)若
,求
;
(2)若
,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a64dc61989ca50b9ee19d835c4ed268.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2476aaa049eb1e47fc0134bd518c0771.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c8316b9109f365ef740a37f580d658a.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa4c355f11471a38f5583a434a1ddeb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04ceb1f338fa60976229d7ec6531b626.png)
您最近一年使用:0次
2022-12-13更新
|
605次组卷
|
2卷引用:江苏省扬州中学2022-2023学年高一上学期12月月考数学试题
6 . 已知集合
.
(1)求
;
(2)若集合
是集合
的真子集,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10abd3850f11199fae7c18fc2fb3b2ee.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94b0cbfbb7f9547c3bdcc8356d456935.png)
(2)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aefc16f730da18ea3b24527377ed507d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
解题方法
7 . 已知集合![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e692d94f4e441175b10d703bbdd2086.png)
(1)若
,求
;
(2)若
,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e692d94f4e441175b10d703bbdd2086.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8a3cc8c48bf54ec8252e5dce6867754.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eceac03b1f703d7666d91f1fc952cfad.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b05d2be27e8f53e4de3071846dffb41.png)
您最近一年使用:0次
2022-11-11更新
|
115次组卷
|
2卷引用:江苏省扬州市宝应县2023-2024学年高一上学期期中数学试题
8 . 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/4c60ee1eb10343e26071284415000f13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccaa19ccdc98f357f86529d6f0deb973.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7aed39f5aca78934fb383402433fe549.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd9d50619b779c1056602f46b2a95e90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2022-10-29更新
|
177次组卷
|
2卷引用:江苏省扬州市江都区育才中学2022-2023学年高一上学期阶段测试数学试题
22-23高一上·北京·阶段练习
名校
9 . 已知全集
.
(1)求
;
(2)若集合
且
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff6750b5fd31b334a5e9e20b606bf3fc.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9795cfcb301e51b2f628ff95d7c85c4.png)
(2)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b5f811bb71eb0783bcb3826bd6356be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/020ceb9b33cd55e148c1234acaf69c9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4887473a8091e1ef53a169cc9f211e3a.png)
您最近一年使用:0次
名校
10 . 已知集合
,
.
(1)若“
”是“
”的充分条件,求实数m的取值范围;
(2)若“
”是“
”的必要条件,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8153916e68b5dd27f5026eb834330622.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ef5f89a4a9c46741620e9c60ec8a4c9.png)
(1)若“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2dfc35227ad412dffbe2d5b0ec0e9e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af27b7087e27200ae9526e818e0c7c72.png)
(2)若“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2dfc35227ad412dffbe2d5b0ec0e9e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af27b7087e27200ae9526e818e0c7c72.png)
您最近一年使用:0次
2022-10-20更新
|
419次组卷
|
4卷引用:江苏省扬州市宝应中学2022-2023学年高一上学期期中数学试题
江苏省扬州市宝应中学2022-2023学年高一上学期期中数学试题辽宁省凤城市第一中学2022-2023学年高一上学期第一次月考数学试题(已下线)1.4 充分必要条件(精练)-《一隅三反》(已下线)FHsx1225yl06