Task 294
Task 294: test task in emrekuruu/math-openenv, an RL environment on the Hugging Face Hub. The function $f(x)$ satisfies \ f(xy) = f(x) f(y)\ for all real numbers $x$ and $y.$ Find all possible values of $f(1).$ Enter all the possible values, separated by commas.
The task
The function $f(x)$ satisfies \[f(xy) = f(x) f(y)\]for all real numbers $x$ and $y.$ Find all possible values of $f(1).$ Enter all the possible values, separated by commas.