Which relation is not a function? O A. {(19,11), (4,9), (19, 10), (8, 18),
(5,3), (15, 17)}
5
2
B.
6
3
C. {(19,11), (6, 16), (9, 10), (5, 18).
(4,7), (16,4)}
O D.
x 14 7
21 28 35
y 7
14 7
35 21