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Asked by Suzie

How do you find the inverse of f(x)=4x-2?
9 years ago

Answers

Answered by Reiny
y=4x - 2
switch the variables
x = 4y - 2
solve this for y
4y = x + 2
y = (x+2)/4

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

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