diketahui suatu fungsi g(x) = ax+b dan g(3)= 5, g(-1) = -3. nilai g(1)=

g(3) = 3a + b = 5
g(-1) = -a+b = -3
(-)
4a=8 , a=2
3(2) + b = 5
6+b=5
b=-1
jadi nilai g(1) = ax+b = (2)(1) + (-1) = 2-1 =1