SOLUTION: f(x) = 2x, then f -1(x)

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Question 763417: f(x) = 2x, then f -1(x)
Answer by Cromlix(4381) About Me  (Show Source):
You can put this solution on YOUR website!
f(x) = 2x
y = 2x
Change x and y about.
x = 2y
2y = x
Divide both sides by 2
y = x/2
f^-1(x) = x/2
Hope this helps.
:-)