DEPRECATED Domain & range of piecewise functions

Consider the following piecewise function: $\ f(t) = \begin{cases} 3t+15 & , & -6<t\leq-3 \\\\ 3-t & , & -3<t \leq 1\\\\ 2 & , & 1< t \leq 5\end{cases}$ **What is the domain of $f$?** [[☃ radio 1]] **What is the range of $f$?** [[☃ radio 2]]