Which set of ordered pairs does not represent a function? o {(-8,6), (-7, -7), (7, -9),(0,6)}
0 {(-9,9), (-3,4),(3,9), (-2, 1)}
o {(7,-2), (-5,6), (5,0), (3,-2)}
o{(-9,1), (2,0), (8,–2), (2,-6)}