Diketahui f(x-2) = x^2+3x dan g(x) = 4x+1. Rumus fungsi (f o g) (x) =

f(x-2)=x²+3x
f(x)=(x+2)²+3(x+2)=x²+4x+4+3x+6=x²+7x+10
g(x)=4x+1

(fog)(x)=(4x+1)²+7(4x+1)+10=16x²+8x+1+28x+7+10=16x²+36x+18