Answer :

geerky42
So you have two x-coordinate:

x=3 and x=4.

Let's test first option:

for x= 3, we have y = (3) + 3 = 6, which matches (3, 6)

Now for x=4, we have y = (4) + 3 = 7 which doesn't match (4, 8).
Do the same for any other options.

You should get B, y = 2x.

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