$$f(x) = \left\{ \begin{array}{ll} 1-x \amp x \leqslant -1 \\ 2 \amp -1 \lt x \lt 1 \\ 1+x \amp x \geqslant 1 \\ \end{array} \right.$$

1. Evaluate $f(-2)\text{.}$ Answer:
2. Evaluate $f(1)\text{.}$ Answer:
3. How many solutions are there to the equation $f(x) = 2\text{?}$
   Answer: ? one two three infinitely many
4. How many solutions are there to the equation $f(x) = 3\text{?}$
   Answer: ? one two three infinitely many