Based on the tests, I can now describe the function:

[DESCRIPTION]:
The function takes a numerical input x. When x is negative, f(x) is positive, and its magnitude increases as |x| decreases (closer to 0). When x is positive, f(x) is negative, and its magnitude increases as |x| increases (going further from 0). The input 0 gives a slight positive value.

[DOMAIN]:
The domain of the function is all real numbers. Though the function behaves differently for negative and positive x, the overall behavior is relatively smooth and continuous. No improper or unexpected behavior is observed in any particular interval.

