Either table a or table b shows a proportional relationship.

table a
x 1 3 4 5
y 2 6 8 10

table b
x 1 2 4 6
y 3 4 6 8

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Table A

Step-by-step explanation: So, how we find out if it has a proportional relationship is by seeing if it fits an equation, I can see that table A fits to this equation: Y = 2X

But table B I can't seem to find an equation for it.

So to graph this you would graph the point (1,2) then (3,6) then (4,8) and finally (5,10) and you can see that with every point if you double the X you get what your Y is.

If you need any further instruction or help let me know!