名校
1 . 已知函数
,
.
![](https://img.xkw.com/dksih/QBM/2022/4/15/2958801674084352/2960124753125376/STEM/ce4c482e-f8da-4732-b856-4bb2ba30de2f.png?resizew=337)
(1)在给出的坐标系中画出
和
的图象;
(2)若
恒成立,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e32fe6eea89758fe843a869976d08fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4343355685d9f682200f13e9d50755dc.png)
![](https://img.xkw.com/dksih/QBM/2022/4/15/2958801674084352/2960124753125376/STEM/ce4c482e-f8da-4732-b856-4bb2ba30de2f.png?resizew=337)
(1)在给出的坐标系中画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2611b565b7b59630fdd46ad820573221.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2022-04-17更新
|
273次组卷
|
2卷引用:安徽省鼎尖联盟2022届高三下学期4月联考理科数学试题
2 . 已知
,
,
,且
,
.试在平面直角坐标系中画出点
的区域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7326ea56be82bd616fec7e6aa3c884c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d974b528608983c55e85431a9135555.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cab9d266b92cd2d75ee3c51b13e8d04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b74a05e3b377c987235de3717f667ff0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a09daeaa56cadadec7e06fca8125fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0203b006524305c3d8ee0b6c34cd872b.png)
您最近一年使用:0次