diketahui f(x) = x - 3 , g(x) = 2x + 4 maka (g°f)invers(2) =

fungsi invers

f(x) = x - 3
g(x) = 2x + 4
gof(x) = g {f(x)}= g(x-3) = 2(x-3) + 4
gof(x) = 2x - 6 + 4
gof(x) = 2x - 2
(gof)⁻¹(2x - 2)= x
(gof)⁻¹(2)=
2x -2 = 2
2x = 4
x = 2

(gof)⁻¹(2) = 2

Mapel : Matematika
Kelas : X SMA
Bab : Fungsi Komposisi dan Fungsi Invers

Pembahasan :
Ada pada gambar...