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PLEASE HELP QUICK 20 PTS!!!

Which relation is a function?

PLEASE HELP QUICK 20 PTS!!! Which relation is a function?-example-1

1 Answer

6 votes

Answer:

4

Explanation:

A function must pass the vertical line test, which means that two coordinates cannot have the same x coordinate. (They can't be directly above each other.)

User Luke Redpath
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