Write a linear function g with the values g(0)=9 and g(8)=7

Question

Kind of stuck on this problem

Answer 1

(0,9) and (8,7) have a line through them with slope (9-7)/(0-8) =-2/8 = =1/4

y=-(1/4)x + b

9 = 0 + b

b =9

y = -(1/4)x + 9

g(x) = -x/4 + 9