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
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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 inputs may have the same output, only one output can be related to an input.
For each
for each
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
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