kak tolong caranya gimana?

fungsi invers
f(x) = x³ --> f⁻¹ (x)= ∛x
g(x)=  3x - 4 --> g⁻¹(x) = ¹/₃ (x + 4)

g⁻¹  o f⁻¹ (8) =  g⁻¹ {f⁻¹(8)} = g⁻¹(∛8)= g⁻¹ (2)
(g⁻¹of⁻¹)(8) = g⁻¹(2) = ¹/₃ (2 + 4) = ¹/₃(6) = 2

Jawabannya 4^1/3
Jelasnya lihat gambar yah
Semoga membantu