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Omni-MATH / Let R^(+) be the set of positive real numbers. Find all functions f:R^(+)→R^(+) such that, for all x,y∈R^(+) , f(xy+f(x))=xf(y)+2 · Discussion

Discussing Let R^(+) be the set of positive real numbers. Find all functions f:R^(+)→R^(+) such that, for all x,y∈R^(+) , f(xy+f(x))=xf(y)+2 · Omni-MATH

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