Answer:
y = 4x +2
Explanation:
The slope is the change in y divided by the change in x:
(18 -6)/(4 -1) = 12/3 = 4
When we look at the values of 4x and y, we see they differ by 2. For the first given point, 4·1=4, but y=6, so y is 2 more than 4x.
y = 4x + 2