Use slope intercept form= y=mx+b

Question

0 1

1 3

2 5

3 7

4 9

x y

Answer 1

(9-1)/(4-0) = 8/4 = 2 = slope = m

1 = b = y intercept

y = mx +b

y = 2x +1

each y value in the table = one more than twice the x value