f (x) = \{\begin{cases} x + 3, x \leq - 2 \\ 2, - 2 < x \leq 1 \\ - \frac{1}{2} x - 1, x > 1 \end{cases}

Domain $\{x \in ℝ\}$ , Range $\{y \in ℝ, y \leq 2\}$