1 . 已知函数
,
,则函数
的单调递减区间为______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29389ef256eb80ba2d463cd358e3c26a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93d9900f1f08b05550fd458f59a57e2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
您最近一年使用:0次
2024·全国·模拟预测
2 . ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/348f85bb7bb73a94203f6d452b769bc3.png)
________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/348f85bb7bb73a94203f6d452b769bc3.png)
您最近一年使用:0次
2024·全国·模拟预测
名校
解题方法
3 . 已知全集
,集合
,则图中阴影部分表示的集合为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bb511a805b6c19e705eab1fbe9def53.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd60fd2791335aee32e9ba01a0308688.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024·全国·模拟预测
解题方法
4 . 已知集合
,若
,则
的值可以为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1568a97be41c0821f1ed0b74d81c6d21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2ad78dc8b8aed907b4fe9640c997454.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.1 | B.0 | C.0或1 | D.1或2 |
您最近一年使用:0次
2024·全国·模拟预测
解题方法
5 . 设集合
,
.若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92af691969904a903e7cfe5da6964dee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cbcd2d3ac946b3a47bdf6ef1d7a7905.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/947fcc95af643f07e0cdeaa4a18acaa2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
您最近一年使用:0次
2024·全国·模拟预测
解题方法
6 . 已知角
的顶点为坐标原点,始边为
轴的非负半轴.若
是角
终边上一点,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18e23b74ed51912d236727c0ee5e3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77f0f90e4c711a8917bea0921f4f7460.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
您最近一年使用:0次
2024·全国·模拟预测
7 . 已知集合
,
,则
的子集个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bae63013c37e3c9bc23a6e2e1122319f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46a320bb90c4528c2046361609f0abdc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06cfe33e358e7b7a18842a9a2bc9d119.png)
A.1 | B.2 | C.4 | D.8 |
您最近一年使用:0次
2024高三·全国·专题练习
解题方法
8 . 写出一个同时满足下列条件①②③的函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ba99a5c5661eedaef4b36ade1a7c5c5.png)
__________ .
①
不是常数函数;②
是偶函数;③
的最大值为0.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ba99a5c5661eedaef4b36ade1a7c5c5.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
您最近一年使用:0次
解题方法
9 . 函数
的部分图象大致为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c95dda5748253d35a6055fcfd524f9e.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次