jika f^-1(x) = x - 1 / 5 dan g^-1(x) = 3 - x / x, maka (fog)^-1(6) = tolong dibantu yah... bsok dikumpul

f^-1 (x) = (x - 1)/5
g^-1 (x) = (3 - x)/x

(fog)^-1 (x)
= (g^-1 o f^-1)(x)
= (3 - (x - 1)/5)/x
= (15 - x + 1)/(5x)
= (16 - x)/5x ✔

(fog)^-1 (6)
= (16 - 6)/(5.6)
= 10/30
= 1/3 ✔