Answer: y = 4x - 4
Explanation:
We already have our slope, which is 4
(x , y) (2, 4) -> 2 is x, 4 is y
Substitute y = mx + b with the right numbers
4 = 4(2) + b
Solve
4 = 8 + b
Subtract 8 on both sides
-4 = b
Then put it in slope-intercept form
y = 4x - 4