Ответ:
\[y = - x^{2} + 6x - 8\]
| \[x\] | \[0\] | \[1\] | \[2\] | \[3\] | \[4\] | \[5\] |
|---|---|---|---|---|---|---|
| \[y\] | \[- 8\] | \[- 3\] | \[0\] | \[1\] | \[0\] | \[- 3\] |

\[y(2) = 0;\ \ y(5) = - 3;\ \ \ y(3) = 1\]
\[\ y_{\max} = 1;\ \ \ y_{\min} = - 3.\]
\[y = - x^{2} + 6x - 8\]
| \[x\] | \[0\] | \[1\] | \[2\] | \[3\] | \[4\] | \[5\] |
|---|---|---|---|---|---|---|
| \[y\] | \[- 8\] | \[- 3\] | \[0\] | \[1\] | \[0\] | \[- 3\] |

\[y(2) = 0;\ \ y(5) = - 3;\ \ \ y(3) = 1\]
\[\ y_{\max} = 1;\ \ \ y_{\min} = - 3.\]