SOLUTION: please if f(3/x)=2x-1 compute {{{f(x)}}}

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Question 72432: please
if f(3/x)=2x-1
compute
f%28x%29
Answer by psbhowmick(878) About Me  (Show Source):
You can put this solution on YOUR website!
Let 3%2Fx=z.
Then, x+=+3%2Fz.

Hence the expression f%283%2Fx%29=2x-1 becomes f%28z%29=2%283%2Fz%29-1 i.e. f%28z%29=6%2Fz-1

To find f(x) replace 'z' with 'x'.
Then, f%28x%29=6%2Fx-1