Jika g(x) = 4x-2 dan gof=-28 berap f—

g(x) = 4x - 2

(gof)(x) = -28
g (f(x)) = -28
4(f(x)) -2 = -28
4 (f(x)) = -28 + 2
(f(x)) = -26/4 = - 13/2

semoga membantu ^-^