tolong bantu jawab lah kakak..

Mapel : Matematika
Kelas : X SMA
Bab : Fungsi

Pembahasan :
Gof(x) = g(f(x))
Gof(x) = (2x^2/3)^3/2
Gof(x) = 2^3/2 x
Gof(x) = √8 x
y = √8 x
x = y - √8
Gof¯¹(x) = x - √8
Gof¯¹(√2) = √2 - √8
Gof¯¹(√2) = √2 - 2√2
Gof¯¹(√2) = -√2