Respuesta :

(g∘f)(x) = g(f(x))
(g∘f)(1) = g(f(1)) = g(2·1 -4) = g(-2) = 4·(-2)² -3 = 13
(g∘f)(1) = 13
(g₀f)(1)=g(f(1))
=g(2(1)-4)
=g(-2)
=4(-2)^2-3
=16-3
=13