\[y = \left\{ \begin{matrix} 3x - 3,\ \ если\ x \geq 0 \\ \frac{1}{3}x - 3,\ \ если\ x < 0 \\ \end{matrix} \right.\ \]
\[x = 1:\]
\[y = 3 \cdot 1 - 3 = 3 - 3 = 0.\]
\[x = 0:\]
\[y = 3 \cdot 0 - 3 = 0 - 3 = - 3.\]
\[x = - 6:\]
\[y = \frac{1}{3} \cdot ( - 6) - 3 = - 2 - 3 = - 5.\]