What are the steps to find the inverse of a function equation?

For example, what is the inverse of f(x) = 2x -7?

For example, what is the inverse of f(x) = 2x -7?

For example, what is the inverse of f(x) = 2x -7?

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Woodland Hills, CA

f(X ) = 2X -7

Change f(x ) to Y

Y = 2X -7

Solve for X in terms of Y:

X = (Y + 7 ) /2

Change X to f^{-1 }( X) and Y for X

f^{-1} (x ) = 1/2 X +7/2

West Richland, WA

Set up the equation as y=2x-7

Solve for 'x'

Switch 'x' and 'y'. This is your inverse.

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