diketahui g(x) = 6x-8 fog(x) = 12x-1 Ditanya f(x) ?

Fungsi Komposisi

g(x) = y = 6x - 8
6x = y + 8
x' = (y + 8)/6

g^-1 (x) = (x + 8)/6

(fog)(x) = F(x) = 12x - 1

f(x) = F(g^-1 (x)
f(x) = F((x + 8)/6)
f(x) = 12(x + 8)/6 - 1
f(x) = 2(x + 8) - 1
f(x) = 2x + 16 - 1
f(x) = 2x + 15