Which of the following relations is not a function?
A.
(-2,4), (0, 2), (7, 1), (-6,5)
B.
(7,4), (-2, 2), (0, 1), (-6, 2)
oc. (0.4), (-2, 2), (0, 1). (-6. 2)
_
D.
(-6,4), (0, 3), (-2, 1), (7, 2)​