Find the absolute maximum value and the absolute minimum value, if any, of the given function. f(x) = x / x²+3 on [-1, 3]
A. Absolute maximum value: √3/6; absolute minimum value: - √3/6 B. Absolute maximum value: 1/4 ; absolute minimum value: - √3/6 C. Absolute maximum value: √3/6; absolute minimum value: - 1/4
D. No absolute extrema