1 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c5017b46ee71ee28ab520741d6169ed.png)
___ ;![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5b469af7e65164f77399f1ceb57ad47.png)
___ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f75048f0cd7a9005dee8ba3cf558466.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c5017b46ee71ee28ab520741d6169ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5b469af7e65164f77399f1ceb57ad47.png)
您最近一年使用:0次
2 . 函数三要素:
(1)一般地,对于函数
,则称
为函数的________ ,称集合________ 为函数的值域.
(2)函数的三要素指:____________ ,____________ ,_____________ .
(1)一般地,对于函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/669be9c41270c8694cd984d928c28d0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)函数的三要素指:
您最近一年使用:0次