haileycampbell55 haileycampbell55
  • 16-01-2021
  • Mathematics
contestada

Find the inverse of the function f(x) = 2x - 4.

Respuesta :

kenlingdad kenlingdad
  • 16-01-2021

Answer:

f⁻¹(x) = 1/2 x + 2

Step-by-step explanation:

f(x) = 2x - 4      y=2x - 4

swap x and y:  x = 2y - 4

solve y:   2y = x + 4

y = 1/2 x + 2

Inverse notation:   f⁻¹(x) = 1/2 x + 2

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