Let $$f(x) = \begin{cases}\displaystyle{x^{2}+2x}&\text{if}\ x \le -1\cr \displaystyle{x+2}&\text{if}\ x > -1.\end{cases}$$ Evaluate the following:

1.	$f(-9)$	=
2.	$f(-1)$	=
3.	$f(5)$	=