\[f(x) = \left\{ \begin{matrix} - 2x - 4;\ \ \ \ \ \ x < - 1 \\ - x^{2};\ \ \ \ \ - 1 \leq x \leq 3 \\ \end{matrix} \right.\ \]
\[f( - 2) = 0\]
\[f( - 1) = - 1\]
\[f(0) = 0\]
\[f(3) = - 9\]