tolong jawab lagi yaaa biar bikin gereget

f(x) = 2x + 1,
g(x) =  x + 2

fog(x) = f {g(x)} = f (x+2) = 2(x+2) + 1= 2x + 5
(fog)⁻¹(x)= 1/2 (x - 5)