Which table shows a proportional relationship?


b 2 3 8 9 14
c 4 6 16 18 28

x 1 2 3 4 5
y 4 5 6 7 8

r 2 3 4 5 6
s 3 5 6 8 9

p 1 3 5 7 9
q 3 7 11 15 19