Вопрос:

Ответ:

\[y = \frac{1}{3}x - 1\ \ \ \ \ \ \]

\[x\] \[0\] \[3\]
\[y\] \[- 1\] \[0\]

\[y = \frac{1}{3}x + 2\ \ \ \ \ \ \ \ \]

\[x\] \[0\] \[3\]
\[y\] \[2\] \[3\]

\[y = \frac{1}{3}x\]

\[x\] \[0\] \[3\]
\[y\] \[0\] \[1\]

\[k_{1} = k_{2} = k_{3} = \frac{1}{3}.\]