# f(domain) = ?

Level pending

$$f$$ is a reals to reals function, such that for any integer $$x$$ unless 0, these following properties hold

• $$f(x+1)=f(x)+1$$

• $$f(\frac {1}{x})=\frac {f(x)}{x^2}$$

Then, find the value of $$f(225)$$.

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