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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asked Jan 23, 2021 14.1k views

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Edtruant · Answer 1 · 2021-01-29T13:58:52+0000

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!! :)

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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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