dik:f(x)=3x+1. g(x)=2x²-1 tentukan rumus GoF(x)

dik: f(x) = 3x + 1
g(x) = 2x^2 - 1
dit: (g o f)(x)?
penyelesaian:
(g o f)(x)= g(f(x))= g(3x+1)
= 2(3x+1)-1
= 6x + 2 - 1
= 6x + 1

semoga membantu ^^