Respuesta :

VirαtKσhli

Answer:

3 - 7x

Step-by-step explanation:

Given ,

=> f(x) = 3 - x / 7

  • Let f(x) = y

=> y = 3 - x / 7

  • Interchange x and y .

=> x = 3 - y /7

  • Solve for y .

=> 7x = 3 - y

=> y = 3 - 7x

=> f-¹(x) = 3 - 7x