英语的数学题Determine if the relation is a function. 25) {(-7, 2), (-4,_英语解答

英语的数学题Determine if the relation is a function. 25) {(-7, 2), (-4, -3), (-2, 9), (2, 7)}
怎么做?

人气：421 ℃　时间：2020-07-02 02:12:01

解答

一楼请不要答非所问
这个是个function,because according to the definition of a function each value of x can only have one corresponding vaule of y..在题目中每个x value只有一个y vaule ,所以这个是function