\[\boxed{\text{894\ (894).\ }\text{Еуроки\ -\ ДЗ\ без\ мороки}}\]
\[1)\ y = \left\{ \begin{matrix} - 3x,\ \ \ \ \ \ \ \ \ \ \ \ x \leq - 1 \\ 3,\ \ - 1 < x < 1 \\ 2x + 1,\ \ \ \ \ \ \ \ \ \ \ x \geq 1 \\ \end{matrix} \right.\ \]
\[y = - 3x\]
\[x\] | \[0\] | \[- 1\] |
---|---|---|
\[y\] | \[0\] | \[3\] |
\[y = 2x + 1\]
\[x\] | \[1\] | \[0\] |
---|---|---|
\[y\] | \[3\] | \[1\] |
\[2)\ y = \left\{ \begin{matrix} 5 - x,\ \ \ x \leq 3 \\ x + 1,\ \ x > 3 \\ \end{matrix} \right.\ \]
\[y = 5 - x\]
\[x\] | \[3\] | \[4\] |
---|---|---|
\[y\] | \[2\] | \[1\] |
\[y = x + 1\]
\[x\] | \[3\] | \[1\] |
---|---|---|
\[y\] | \[4\] | \[2\] |