MathematicsMedium110×since 2002Q3795The function f:R→[−12,12]f:R \to \left[ { - {1 \over 2},{1 \over 2}} \right]f:R→[−21,21] defined as f(x)=x1+x2f\left( x \right) = {x \over {1 + {x^2}}}f(x)=1+x2x, isAinvertibleBinjective but not surjective.Csurjective but not injectiveDneither injective nor surjective.Check answerSkip