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21 votes
21 votes
How to tell if a graph is a function in algebra

User NSP
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1 Answer

23 votes
23 votes

Answer:

Inspect the graph to see if any vertical line drawn would intersect the curve more than once.

Explanation:

If there is any such line, the graph does not represent a function. If no vertical line can intersect the curve more than once, the graph does represent a function.

User Arifa Chan
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