Respuesta :
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
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