名校
1 . 已知函数
,函数
.
![](https://img.xkw.com/dksih/QBM/2021/11/17/2853488463904768/2855415414677504/STEM/66338508-e150-436b-bf4b-9c9749e60580.png?resizew=289)
(1)在同一直角坐标系中画出
、
的图象;
(2)
,用
表示
、
中的较小者,记为
.
①用解析法表示函数
,并写出函数
的值域;
②讨论关于
的方程
的根的个数.(直接写出结论)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99eaeb2ab68a49074d623ffca072fed8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5dad7a704fc2b38d6a0cea29263199c.png)
![](https://img.xkw.com/dksih/QBM/2021/11/17/2853488463904768/2855415414677504/STEM/66338508-e150-436b-bf4b-9c9749e60580.png?resizew=289)
(1)在同一直角坐标系中画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c780149aef1bd77162e85f7f8906a6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b426608a06477f57cb994f4d00e4465d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f169611259ea1cc39fd5894d46a4ba81.png)
①用解析法表示函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b426608a06477f57cb994f4d00e4465d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b426608a06477f57cb994f4d00e4465d.png)
②讨论关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df2ae20cc65da99c987cccfd7f53f50c.png)
您最近一年使用:0次
2021-11-20更新
|
336次组卷
|
3卷引用:北京市大兴区2021-2022学年高一上学期期中考试数学试题