名校
1 . 已知函数
.
(1)将函数
写出分段函数的形式,并画出图象.
(2)利用图象回答:当
为何值时,方程
有一解?有两解?有三解?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/598529a5b93e0ac9a94dfc1fd3e6ad0f.png)
(1)将函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/598529a5b93e0ac9a94dfc1fd3e6ad0f.png)
(2)利用图象回答:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a08eabf1a82e90dc2b2319fca2179464.png)
您最近一年使用:0次
2021-12-03更新
|
674次组卷
|
8卷引用:重庆市求精中学校2022-2023学年高一上学期期中数学试题
名校
2 . 已知二次函数
满足
,且不等式
的解集为
.
![](https://img.xkw.com/dksih/QBM/2021/11/26/2859740979281920/2863375582543872/STEM/b89a63345ef346a7a78352c7bbadd32b.png?resizew=339)
(1)求
的解析式;
(2)设函数
,作出
的大致图像并根据图像写出
的增区间和值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d73d9aa53e2d496bb14e106d82289940.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1f02ee11ffba1411cbea123b0e5d762.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7901cfc2aa7e6c6753870745ecf9d87.png)
![](https://img.xkw.com/dksih/QBM/2021/11/26/2859740979281920/2863375582543872/STEM/b89a63345ef346a7a78352c7bbadd32b.png?resizew=339)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fe286322514ef42c902f95b1d2dd838.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
您最近一年使用:0次
名校
3 . 已知
,下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d88c45e290e5156291b952e9d537af3.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2021-11-25更新
|
413次组卷
|
2卷引用:重庆市渝中区重庆复旦中学2021-2022学年高一上学期半期(期中)数学试题