A

x y

1 1

2 4

3 9

4 16

C

x y

1 4

2 2

3 4/3

4 1

B

x y

1 1/2

2 1

3 3/2

4 2

D

x y

1 3

2 5

3 7

4 9


Which table shows y as DIRECTLY PROPORTIONAL to x?

AA

BB

CC

DD

What is the answer?