Question

How many inches of snow fall in 1 hour?

Answer 1

The slope for this problem is

$m=\frac{4-1}{2-0}=\frac{3}{2}$

so the equation is

$y=\frac{3}{2}x+1$

so, after 1 hour we get

$y=\frac{3}{2}\cdot1+1=\frac{3}{2}+1=\frac{5}{2}\text{ inches}$