Which set of ordered pairs does not represent a function?

Answer
Multiple Choice Answers
(0,−4),(−8,8),(2,−7),(6,2)

(−2,3),(4,3),(3,8),(8,−7)

(5,6),(0,7),(−1,7),(−9,3)

(8,−7),(8,−9),(0,−6),(1,8)

The set of ordered pairs that does not represent a function is:

(−2,3),(4,3),(3,8),(8,−7)