名校
解题方法
1 . 已知集合
或
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/301c3d2a5dfdf12264bd6663335837db.png)
(1)若
求
和
;
(2)若
,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9ad8ac4dd18a7b8f118f649b16d02f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5fb3d491a81b148f8988f9d04c4a13e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/301c3d2a5dfdf12264bd6663335837db.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e49949f1b8bfdcb6cf62b16294a6f959.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b05d2be27e8f53e4de3071846dffb41.png)
您最近一年使用:0次
名校
解题方法
2 . 已知
;
,则p是q的______ 条件.(在充分不必要、必要不充分、充要、既不充分也不必要中选一个正确的填入)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6458ddbf3c6f068a307300663e209e80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f24269e839aa5ba358bc92df066e290.png)
您最近一年使用:0次
名校
3 . 含有3个实数的集合既可表示成
又可表示成{a²,a+b,0},则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4c7420cabe268eaa3db2a9702859930.png)
_______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f817fccd8152aa5d59812a7185244c07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4c7420cabe268eaa3db2a9702859930.png)
您最近一年使用:0次
名校
4 . 设全集
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/686c9e703f5c15422bc75fa597b87c8e.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c49c5a9a5c087abb6940f79b10086326.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cbe2be2a550354dae801be10ee8718f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/686c9e703f5c15422bc75fa597b87c8e.png)
您最近一年使用:0次
名校
解题方法
5 . 给出下列命题,其中错误的命题有( )个
①若函数
的定义域为
,则函数
的定义域为
;
②函数
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17dda3a1bd83367abc5872797e424bb2.png)
③若
,则满足条件的集合M的个数为7个;
④两个函数
,
表示的是同一函数.
①若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb87c830a03204a5b783ad4c2ba49c4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b92ed9c28b600f6632dbc1f9fb6d5b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2aa311daf7a73f8c45de4462f9d92b6.png)
②函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/005ae2042a7425502ffb2574dcc330cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17dda3a1bd83367abc5872797e424bb2.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5be768bcbb14149f00ebf223a88f1d6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e422fdd219db84761945e297fffb86a6.png)
④两个函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f6b7bad02ed4c56e1f940ba3ac92bc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78b91d90e35deba1cdc76b3247d8d909.png)
A.1 | B.2 | C.3 | D.4 |
您最近一年使用:0次
2023-10-18更新
|
618次组卷
|
3卷引用:黑龙江省牡丹江市第三高级中学2023-2024学年高一上学期第一次月考数学试题
黑龙江省牡丹江市第三高级中学2023-2024学年高一上学期第一次月考数学试题辽宁省锦州市渤海大学附属高级中学2023-2024学年高三上学期期中数学试题(已下线)第5章 函数概念与性质综合能力测试-【帮课堂】(苏教版2019必修第一册)
6 . 已知集合
,
(1)求
;
(2)若
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d001f5411988d5642dcfe7b5b931b79.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b4287c52490c5278a87bace92a36847.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4adca4a30b2865df1cf6e822037c370d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ab896369e2fc4f39d870e4185a8a05d.png)
您最近一年使用:0次
2023-10-18更新
|
287次组卷
|
4卷引用:黑龙江省牡丹江市第三高级中学2023-2024学年高一上学期第一次月考数学试题
名校
7 . 设命题P:
,
,则
为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4a3888879ca5ee5f15f08087f691fd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3119d53efb32cd36255815c962be6ff8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63011498e73731346645de7100f55ab3.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
2023-10-18更新
|
269次组卷
|
2卷引用:黑龙江省双鸭山市第一中学2023-2024学年高一上学期10月月考数学试题
名校
8 . 设集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91f3d322d4a1ccda57b7ebb4b046faef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e60375f97ff7854f4d3a8b1108d2e3.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-10-17更新
|
274次组卷
|
2卷引用:黑龙江省实验中学2023-2024学年高三上学期第二次月考数学试题
名校
9 . 已知集合P,Q中都至少有两个元素,并且满足下列条件:
①集合P,Q中的元素都为正数;②
,
,都有
;
③
,
,都有
;
则下列说法正确的是( )
①集合P,Q中的元素都为正数;②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f276b82d4e984675615cc27f9a764cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00aa0f1f5ad184edee0b8702120713b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e05f2c2a07c4ff99845b93abe2a105b6.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f276b82d4e984675615cc27f9a764cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/391b75874200eda65c817be45f669116.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb92c63325f30e1615840e34e8ae9c22.png)
则下列说法正确的是( )
A.若P有2个元素,则Q有3个元素 | B.若P有2个元素,则![]() |
C.若P有2个元素,则![]() | D.存在满足条件且有3个元素的集合P |
您最近一年使用:0次
名校
10 . 设集合
,集合
且
,则有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4fa7f541be676dee0b2f9ec7ad965db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d77c3974c2da43f0148b14c30649a996.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/196a9cc3a945d656f6cd7b6ea05a0b73.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次