\[f(x) = \left\{ \begin{matrix} x + 3;\ \ \ - 5 \leq x < - 1 \\ x²;\ \ \ \ \ \ \ \ \ \ \ \ - 1 \leq x \leq 3 \\ \end{matrix} \right.\ \]
\[ООФ:\ \ \ D(f) = \lbrack - 5;3\rbrack.\]