Piecewise Definitions of Functions

Evaluate $f(-1), f(0), f(3) \text{ and } f(6)$ in order where $$f(x)= \left\{\begin{matrix} \dfrac{x}{x^{3}-1} &\text{if}& x<-0.5 \\ x^{2}+\dfrac{2}{x+1} &\text{if}& -0.5\le x\leq3 \\ x^{3} &\text{if}& x> 3 \end{matrix}\right.$$