\[y = \left\{ \begin{matrix} x + 1,\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ x < 0 \\ - 3x + 1,\ \ x \geq 0 \\ \end{matrix} \right.\ \]
\[y = x + 1\]
\[x\] | \[0\] | \[- 1\] |
---|---|---|
\[y\] | \[1\] | \[0\] |
\[y = - 3x + 1\]
\[x\] | \[0\] | \[1\] |
---|---|---|
\[y\] | \[1\] | \[- 2\] |
\(\ \)