11-01-2021
Mathematics

contestada

if f(x)=3x-2 find f-1 (13)

Respuesta :

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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