Постройте график функции y=-x; x>=0; y=x; x<0.

Question

Accepted Answer

\[y = \left\{ \begin{matrix} - x,\ \ \ если\ \ x \geq 0 \\ x,\ \ \ \ \ \ если\ \ x < 0 \\ \end{matrix} \right.\ \]

\[x\]	\[0\]	\[1\]	\[2\]	\[- 1\]	\[- 2\]
\[y\]	\[0\]	\[- 1\]	\[- 2\]	\[- 1\]	\[- 2\]

Ответ: