8upirqwyp7 8upirqwyp7

20-02-2021
Mathematics

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Find the inverse function of f(x)=4x-8

Respuesta :

carmenm03 carmenm03

20-02-2021

Answer:

f^-1(x)=1/4x+2

Step-by-step explanation:

y=4x-8

change x and y

x=4y=8

switch sides

4y-8=x

add 8

4y=x+8

divide both sides by 4

y=1/4x+2

substitute f^-1(x) for y

f^-1(x)=1/4x+2

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