Dik f(x) = ax + b. tentukan bentuk fungsi berikut, jika f(0) = -6 dan f(3) = -5

A(0-3) = -6-(-5)
a(-3) = -1
a = 1/3

f(0) = 1/3(0) +b = -6
b =-6
jdi f(x) = ax+b
f(x) = 1/3x -6