SOLUTION: If f(2x)=2/(2+x), x>0, find 2f(x).

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Question 959133: If f(2x)=2/(2+x), x>0, find 2f(x).
Found 2 solutions by josgarithmetic, MathTherapy:
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
Main goal is find what is f(x).

f%28x%29=2%2F%282%2Bx%2F2%29, needing simplification.

2%2F%282%2F2%2Bx%2F2%29
2%2F%28%282%2Bx%29%2F2%29
4%2F%282%2Bx%29

Final goal is multiply by 2, for 2f(x).
highlight%282f%28x%29=8%2F%28x%2B2%29%29

Answer by MathTherapy(10552) About Me  (Show Source):
You can put this solution on YOUR website!

If f(2x)=2/(2+x), x>0, find 2f(x).
highlight_green%282f%28x%29+=+8%2F%284+%2B+x%29%29