Diketahui f(x) = 1/2x-1 dan g(x) = 2x-4. Nilai (gof)-1(10) adalah....

fungsi komposisi

f(x) = 1/2 x  - 1

g(x)= 2x - 4

gof (x) = g {1/2  x - 1}

gof(x) = 2 (1/2 x - 1) - 4 = x - 6

(gof)⁻¹(10)= ...

(gof)⁻¹(x- 6) = x

x- 6 = 10

x= 16