Ответ:
\[y = \left\{ \begin{matrix} - 2x;\ \ x \leq 2 \\ - 4;\ \ \ \ \ x > 2 \\ \end{matrix} \right.\ \]
\[y = - 2x\]
| \[x\] | \[0\] | \[1\] |
|---|---|---|
| \[y\] | \[0\] | \[- 2\] |

\[y = \left\{ \begin{matrix} - 2x;\ \ x \leq 2 \\ - 4;\ \ \ \ \ x > 2 \\ \end{matrix} \right.\ \]
\[y = - 2x\]
| \[x\] | \[0\] | \[1\] |
|---|---|---|
| \[y\] | \[0\] | \[- 2\] |
