Each of the following tables defines a relationship between an input x and an output y. which of the relationships represent functions?
table a
x
-8
-3
0
6
y
24
4
9
72
table b
x
9
15
24
38
y
-14
-16
53
29
table c
x
15
24
24
100
y
-16
53
29
7
table d
x
-8
6
0
6
y
24
4
9
72
a.
table a and table c
b.
table a and table b
c.
table b and table c
d.
table c and table d
select the best answer from the choices provided
a
b
c
d