f(x) = 3 x - 2 (f o g) (x) = 3 x - 2 + 5 g(x) dan g ^-1 (x) = ?

Kelas 10 Matematika
Bab Fungsi Komposisi

1] (fog) (x) = 3x - 2 + 5
(fog) (x) = 3x + 3
3 . g(x) - 2 = 3x + 3
3 .g(x) = 3x + 3 + 2
g(x) = (3x + 5)/3

2] g(x) = (3x + 5)/3
3y = 3x + 5
3y - 5 = 3x
x = (3y - 5)/3
g^-1 (x) = (3x - 5)/3