Which set of ordered pairs does not represent a function? / { (4, 6), (9, - 2), (3, - 5), (6, 6) / }{ (4,6), (9,-2), (3,-5), (6,6) } / { (-1, - 2), (-4, 9), (8, - 9), (1, 2) / }{ (-1,-2), (-4,9), (8,-9), (1,2) } / { (-1, 9), (-7, 8), (3, - 1), (4, -
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