解题方法
1 . 设集合
,
,则
等于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e926a1140af2dcfdb0f956064399df87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1abad6c0e7e6e82773e2a0b43d0a06ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c81919684bc4047d376c7e57dc6c8f1c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
2 . 函数
定义域为_______ .
![](https://img.xkw.com/dksih/QBM/2016/9/20/1573031777263616/1573031783276544/STEM/d89814ba298d459d96e21530b283f8fa.png?resizew=252)
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3 . 如图,已知
是实数集,集合
,
,则阴影部分表示的集合是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/18/b2941677-a9ee-45e9-b13a-b4dcce4218d4.png?resizew=181)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4871cb5ac28a552836bdc4bd27d23cbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b6dc928a7ad12c8d830b21f5de439f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/18/b2941677-a9ee-45e9-b13a-b4dcce4218d4.png?resizew=181)
A.![]() | B.![]() |
C.![]() | D.![]() |
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解题方法
4 . 已知全集
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa2df7c758b739538342a4db24fa567f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e651f46b63baef2a317231b364f6c34.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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5 . 已知函数
.
(1)当
时,求
的最大值;
(2)求使
成立的
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c36837dfbf33fdbf59d497b60d0dd322.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ef8634d2d5a531ebffd843f50644b27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)求使
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2623500ee20713f9a2555847f68bf1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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名校
6 . 已知集合
则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ec37ff1e8eda033364d36308da03536.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8bd633302d5d4ef402b1e41c058546a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ec37ff1e8eda033364d36308da03536.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2016-12-03更新
|
257次组卷
|
3卷引用:内蒙古自治区呼和浩特市第一中学2020-2021学年高一上学期期中数学试题
名校
解题方法
7 . 已知集合
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1336d38741aab2255a35c26612bbd7cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9ec6b6c12a2d0787156bcb1c7e2a5da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1336d38741aab2255a35c26612bbd7cc.png)
A.(-3,2) | B.(-1,2) | C.(-3,-1) | D.(-1,2) |
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8 . 如图所示的韦恩图中,
、
是非空集合,定义
*
表示阴影部分集合.若
,
,
,则
*B=.
![](https://img.xkw.com/dksih/QBM/2015/1/14/1571961687187456/1571961692667904/STEM/df534e65f90e405bb8677c03e1da4e8a.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ee0f61ce98eccacae2dd9f15dd43a51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/457d9d7d1236d1f0ba9492db96d2150a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25bdcd0a3833f78a621171e3b0749de9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://img.xkw.com/dksih/QBM/2015/1/14/1571961687187456/1571961692667904/STEM/df534e65f90e405bb8677c03e1da4e8a.png)
A.![]() |
B.![]() |
C.![]() |
D.![]() |
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9 . 设函数
,则不等式
的解集是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65f01841a68cb8741bbb49ea47cf39ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7da221f28de0d5aa1b62e0d41cab7d9.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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名校
解题方法
10 . 已知函数
.
(1)若
,求不等式
的解集;
(2)若
,
恒成立,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2eab3f5d6aa528be872297e170d8398c.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0086b054ef120408acac806a1b1318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a71baf6217604517fd98fa97d0f55b43.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cb1bbd495bb6477a9115925a994996f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f8693ba02ea9b5dd2612ffc5307682b.png)
您最近一年使用:0次