SubArea: Properties of functionsLevel: BProject ID: 2000002405Accepted: 0Clonable: 0Easy: 1Decide which of the functions is odd.\( f(x) = \frac{5}{x} \)\( f(x) = \frac{x^2}{x^2-4} \)\( f(x) = \frac{x^2}{2-x} \)\( f(x) =(x+1)^2 \)
