Diketahui f:R➡R dan g:R➡R, g(x)=3x+2 dan (g°f)(x)=4x-3 tentukan f(x)

G(x) = 3x+2 → dimisalkan x = 3y+2
(g o f)(x) = 4x-3

4x-3 = g(f(x))
4x-3 = 3y+2
4x-3-2 = 3y
4x-5 = 3y
y = 4x/3 – 5/3

f(x) = 4x/3 – 5/3