Which set of ordered pairs does not represent a function?
O {(1, -8),(-6, -4), (3,7), (-6,1)}
O {(7,-5), (-8,2), (-4,6), (1,6)}
O {(6,7), (-7,8), (-4,8), (1, 2)}
O fil-5,5), (5,1), (6,1),(2, – 4)}
HELP SOMEONE ITS DUE TOMORROW