(fog) ( (x) = 10x-8 dan g(x) = 2x + 4 maka f-1 (x)= tolong bantu ya skrng

Kelas 10 Matematika
Bab Fungsi Komposisi

(fog) (x) = 10x - 8
f(2x + 4) = 5 (2x + 4) - 28
f(x) = 5x - 28
y = 5x - 28
5x = y + 28
x = (y + 28)/5
f^-1 (x) = (x + 28)/5