PLZ HELP ME THIS IS DUE IN ONE HOUR Which set of ordered pairs does NOT represent a function? {(−7,8),(2,1),(−8,−9),(−8,6)} {(5, -1), (-3, -2), (-1, -2), (-5, 7)} {(1, -6), (4, -6), (5, 0), (6, 6)} {(3, 0), (-2, -3), (4, -7), (8, -9)}