Watch help video Which set of ordered pairs represents a function?
O {(6,8), (-4,2), (-7,4), (-7,8)}
{(0,9), (3,5), (0, -4), (6,2)}
o{6,0), (-7,2), (-4,-8), (-9, 2)}
{(-5,5), (0, -3), (-5,-2), (6,8)}
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