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

Respuesta :

Mafiosa
B, since the others have one x going to multiple y's.

Think of functions as someone going down a slide. Multiple people can go down different X slides and land in the same Y position, however one person cannot go down the same X slides and end up in a different Y position.

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