Which of the following tables represents a proportional relationship?
A.
x 2 3 4 5
y 3 6 9 12

B.
x 2 4 6 8
y 3 4 5 6

C.
x 1 4 7 10
y 0 3 6 9

D.
x 2 4 6 8
y 3 6 9 12

It's D.

Step-by-step explanation:

I don't have a step by step explanation for this but just look at all the choices.

hello from mrbilldoesmath!

answer:

the domain is the set { -2, 0, 2, 3}

discussion:

the domain is the set of x values in the ordered pairs (x,y). taking the x, or first component, of each ordered pair gives   -2, 0, 2, 3.

you,

mrb