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How do i know if a relation is a function on a graph ?I don’t quite understand the explanation on the pic.
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How do i know if a relation is a function on a graph ?I don’t quite understand the explanation on the pic.

How do i know if a relation is a function on a graph ?I don’t quite understand the-example-1
User Xiaohe Dong
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1 Answer

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Answer:

If a vertical line is moved across the graph and, at any time, touches the graph at only one point, then the graph is a function. If the vertical line touches the graph at more than one point, then the graph is not a function. Hope this gives you a better understanding!! :)

Explanation:

User Edtruant
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