Question

Which set of ordered pairs represents a function?

O {(8,-6), (-9, 1), (-9, -9), (6,3)}
O {(4,5), (-7,3), (6,6), (6,9)}
○ {(0,–6), (-1, −8), (-6, -5), (6,-5)}
O {(-6, -8), (5, -7), (-1, -3), (5, −4)}
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Answer 1

It would be the third one. Because the x is not repeating.