krina6730 krina6730
  • 29-07-2020
  • Mathematics
contestada

1). f(x) = 3x + 15 then what's f^-1(x)?​

Respuesta :

surjithayer10 surjithayer10
  • 29-07-2020

Answer:

Step-by-step explanation:

f(x)=3x+15

let  f(x)=y

y=3x+15

flip x and y

x=3y+15

3y=x-15

y=1/3 x-5

or f^{-1}x=1/3 x-5

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