1 . 记函数
的定义域
,函数
的值域为
,求:
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
(2)
,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45172d30aea8131472ee297bb7b367e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/557eb194cf0abe382609f8e1325b4197.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/013020b335323b3853127caabd913584.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73c4bc5eab880e9b2f37ebd4b24a5c5e.png)
您最近一年使用:0次
解题方法
2 .
,值域为R,则
的取值范围是____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc3c7cda7b0f15a3564242933f5499e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次