Respuesta :

f^-1 (x) = 2 + x/2 ...
09pqr4sT

Answer:

f^-1(x) = 1/2x + 2

Step-by-step explanation:

f(x) = 2x - 4

y = 2x - 4

y + 4 = 2x

y/2 + 4/2 = x

Switch variables.

x/2 + 2 = y