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