JikaF(x)=2x³dan(x)=x+3,maka(g°f)(x) adalah

f(x) = 2x^3

g(x) = x + 3

(g○f)(x) = g(f(x))

(g○f)(x) = g(2x^3)

(g○f)(x) = 2x^3 + 3