Jika (fog)(x)=2x’2-4x+3 dan f(x)=2x+7,Maka rumus g(x)=
(fog)(x) = 2x² – 4x + 3
2 . g(x) + 7 = 2x² – 4x + 3
g(x) = (2x² – 4x + 3 – 7)/2
g(x) = x² – 2x – 2
Jika (fog)(x)=2x’2-4x+3 dan f(x)=2x+7,Maka rumus g(x)=
(fog)(x) = 2x² – 4x + 3
2 . g(x) + 7 = 2x² – 4x + 3
g(x) = (2x² – 4x + 3 – 7)/2
g(x) = x² – 2x – 2