用英语回答这个问题 How can you tell is a graph is a relation or a function?谢谢啦 这是个数学问题

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用英语回答这个问题 How can you tell is a graph is a relation or a function?谢谢啦 这是个数学问题

用英语回答这个问题 How can you tell is a graph is a relation or a function?谢谢啦 这是个数学问题
用英语回答这个问题 How can you tell is a graph is a relation or a function?
谢谢啦 这是个数学问题

用英语回答这个问题 How can you tell is a graph is a relation or a function?谢谢啦 这是个数学问题
你是在美国上学的吧
这道题 我给你一个肯定不会错的回答
我先告诉你一下区别
the relation is a function since no two different ordered pairs the same x-coordinate
问题你可以稍微修改上面的回答 或者你也可以说
a function is a relation in which 2 different ordered pairs have the same x- coordinate.