Ответ:
\[y = x^{2} - 2x\]
| \[x\] | \[0\] | \[1\] | \[2\] | \[- 1\] | \[3\] |
|---|---|---|---|---|---|
| \[y\] | \[0\] | \[- 1\] | \[0\] | \[3\] | \[3\] |

\[\lbrack 0;3\rbrack\ \]
\[\ y_{\max} = 3;\ \ \ y_{\min} = - 1\]
\[y = x^{2} - 2x\]
| \[x\] | \[0\] | \[1\] | \[2\] | \[- 1\] | \[3\] |
|---|---|---|---|---|---|
| \[y\] | \[0\] | \[- 1\] | \[0\] | \[3\] | \[3\] |

\[\lbrack 0;3\rbrack\ \]
\[\ y_{\max} = 3;\ \ \ y_{\min} = - 1\]