for each relation,describe the domian and range.determine whether the relation is a function.explain your reasoning数据:第一题:(200,5) (150,4) (100,3) (-200,5)第二题:(25,1) (32,8) (25,2) (46,5) (31,-2)有追加分(20)

问题描述:

for each relation,describe the domian and range.determine whether the relation is a function.explain your reasoning
数据:第一题:(200,5) (150,4) (100,3) (-200,5)
第二题:(25,1) (32,8) (25,2) (46,5) (31,-2)
有追加分(20)

第一题:是第二题:不是函数可以多对一 但不能一对多第2题(25,1) (25,2)显然是一对多explaination:A function associates a single output to each input element drawn from a fixed set. Although different input...