Question

What is the value of the function when x = 6?

Answer 1

If we are using slope intercept form, m =(4-1)/(6-0) = 3/6=1/2
y=1/2*x+1(from (0,1))
y =1/2*4+1
y = 2+1 = 3

Looking at this again, you are given the point (6,4), so you can get 4 from that as well.