Selesaikanlah Soal Matematika Invers Berikut

f(x) = 1/x
g(x) = 2x-1

(fog) (x) = 1 / g(x)
= 1 / 2x-1
inverskan
y = 1 / 2x-1
y(2x-1)=1
2xy-y =1
2xy = y + 1
x(2y) = y + 1
x = y+1 / 2y
(fog)-¹(x) = x+1 / 2x
Opsi C