Which of the following sets represents a function?

A) { (3, 5), (-1, 7), (3, 9) }

B) { (1, 2), (3, 2), (5, 7) }

C) { (1, 2), (1, 4), (1, 6) }

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5 August, 19:07

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B represents a function because the x-value isn't repeating. When the x-value repeats its not a function but if the y-value repeats it is a function.

Which of the following sets represents a function?A) { (3, 5), (-1, 7), (3, 9) }B) { (1, 2), (3, 2), (5, 7) }C) { (1, 2), (1, 4), (1, 6) }