1 . 已知集合
,
,
,则实数
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4772e7a414687e1d56e2e944c1ae1ba8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e0d76fd0448867f62ea5fce4fe97b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96f1ba0a1129741502600e47bf058c98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.1 | B.2 | C.1或2 | D.2或3 |
您最近一年使用:0次
名校
解题方法
2 . 已知非空集合
,
.
(1)若
,求
;
(2)若
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55201a71f63e95aef66df1ca9e21551a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44fbb02d5a584747b4a8287c6c24e0d1.png)
(1)若
![](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/dea9a4259cca10c1f5af28e621ebafd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2024-06-10更新
|
311次组卷
|
4卷引用:甘肃省陇南市第一中学2023-2024学年高一上学期期末考试数学试题
3 . 集合
满足
,
,
,则集合
中的元素个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba412c469088ffa84c71ee05f1679a1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e5f9ebc22c993a2e3a705715dbb2fe1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a510f9de25bd52f3be75ff2519029d0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
A.3 | B.4 | C.5 | D.6 |
您最近一年使用:0次
名校
4 . 设集合
,
.若
,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30cf17f1aa29712966eb213db9ba5750.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bf61b7c6d1c49ebcb814e9cd61f9590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96f1ba0a1129741502600e47bf058c98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
5 . 若
,
,且满足
,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/135bd865de21bf7047c20e5c1a47e191.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80c888d482638ad299aba2afd676bbf7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e63128a77392afc5f8b873b7a67f2b5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
6 . 已知集合
,
,若
,则
的最大值为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b2be01cc41f71121975fdcce52b0c9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5be9e1335c24d8bddb01ce79168984f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56552cb9c94f329a295d508567103f75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2024-04-08更新
|
217次组卷
|
2卷引用:山西省大同市第二中学校2023-2024学年高一下学期3月月考数学试题
名校
解题方法
7 . 已知集合
,
.
(1)若
,求实数
的取值范围;
(2)若
,求实数
的取值范围;
(3)若将题干中的集合
改为
,是否有可能使命题
:“
,都有
”为真命题,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4cfb5d93fa28c188aa01a7b920634f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7566e20eeaa2ca570931bacc749b9bb9.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd9d50619b779c1056602f46b2a95e90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96f1ba0a1129741502600e47bf058c98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(3)若将题干中的集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d0297c69a68d6d7d8abd636ca0fdab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd170c506a8ce70f550f5751ae016ca6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
您最近一年使用:0次
名校
8 . 已知函数
的定义域为
.
(1)若非空集合
满足
,求实数a的取值范围;
(2)若
,用定义证明:
是定义域上的严格增函数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e81a414323589af4ed230c17aa2faf1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f26322bd1e71fa74bb84a3ac150414a2.png)
(1)若非空集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f061ce46cb17bd8339322b4ed04219b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a9afa6ca3c54f758947c5ece1a2e71b.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b69f28de04e6340b47f82e84446b83a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eb7df298a9364b36e079a61caec815c.png)
您最近一年使用:0次
名校
9 . 已知集合
.
(1)当
时,求
;
(2)若
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/190ab0e4e975e4eadec51753703ed96b.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b05d2be27e8f53e4de3071846dffb41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2024-03-12更新
|
146次组卷
|
2卷引用:河南省许平汝名校2023-2024学年高一下学期开学考试数学试题
10 . 设集合
,
,若
,则
的值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2caf7600aa01c04bd7801c2b3f3c1b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33719ac021f598cae32df9779797fc35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f3e2673fe4aa4824618df86f784a4a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次