16alim
16alim 16alim
  • 11-01-2021
  • Mathematics
contestada

if f(x)=3x-2 find f-1 (13)​

Respuesta :

adityaghimire7
adityaghimire7 adityaghimire7
  • 11-01-2021

Answer:

Firstly

f(x)=3x-2=y then

Interchanging x and y we get

x=3y-2

x+2=3y

y=(x+2)/3

f-1(x)=(x+2)/3

f-1(13)=(13+2)/3

f-1(13)=5

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