Which of the following relations is NOT a function?
OA. (-6, 4), (1, 3), (-2, 1), (6, 2)
• B. (1, 4), (-2, 2), (1, 1), (-6, 2)
• C.
(-2, 4), (1, 2), (6, 1), (-6, 5)
O D.
(6, 4), (-2, 2), (1, 1), (-6, 2)