Which table shows a proportional relationship between a and b? OA.
a
b
3
9
4
12
5
20
OB
a
b
20
25
24
30
32
40
C.
a
b
4
12
5
15
6
24
D.
a
b

Which function can be used to model the monthly profit for x trinkets produced? f(x) = –4(x – 50)(x – 250) f(x) = (x – 50)(x – 250) f(x) = 28(x + 50)(x + 250) f(x) = (x + 50)(x + 250)