Dik, f(×)=4×+3,g(×)=×-1 Apakah (fog) (3) = (gof) (3) . . Mohon di bantu yaaa pliss

f(x) = 4x + 3
g(x) = x - 1

(f ° g)(x) = 4(x-1) + 3
= 4x - 4 + 3
= 4x - 1
(f ° g)(3) = 4(3) - 1
= 12 - 1 = 11

(g ° f)(x) = 4x -3 - 1
= 4x - 4
(g ° f)(3) = 4(3) - 4
= 12 - 4
= 8

jadi, (f ° g)(3) ≠ (g ° f)(3)