Постройте график функции: y=x+1, если x<0, y=-3x+1, если x>=0.

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Accepted Answer

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

\[y = x + 1\]

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

\[y = - 3x + 1\]

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

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