Ответ:
\[y = x^{2}\]
| \[x\] | \[- 2\] | \[- 1\] | \[0\] | \[1\] | \[2\] |
|---|---|---|---|---|---|
| \[y\] | \[4\] | \[1\] | \[0\] | \[1\] | \[4\] |

\[\lbrack - 1;2\rbrack\]
\[y_{м\text{in\ }} = 0\]
\[y_{мах} = 4.\]
\[y = x^{2}\]
| \[x\] | \[- 2\] | \[- 1\] | \[0\] | \[1\] | \[2\] |
|---|---|---|---|---|---|
| \[y\] | \[4\] | \[1\] | \[0\] | \[1\] | \[4\] |

\[\lbrack - 1;2\rbrack\]
\[y_{м\text{in\ }} = 0\]
\[y_{мах} = 4.\]