Ответ:
\[y = - x + 6\]
| \[x\] | \[0\] | \[1\] | \[2\] |
|---|---|---|---|
| \[y\] | \[6\] | \[5\] | \[4\] |

\[\lbrack 1;2\rbrack\text{\ \ \ }\]
\[y_{мin} = 4;\ \ \ \ y_{мах} = 5.\]
\[y = - x + 6\]
| \[x\] | \[0\] | \[1\] | \[2\] |
|---|---|---|---|
| \[y\] | \[6\] | \[5\] | \[4\] |

\[\lbrack 1;2\rbrack\text{\ \ \ }\]
\[y_{мin} = 4;\ \ \ \ y_{мах} = 5.\]