Вопрос:

Ответ:

\[y = \sqrt{x}\]

\[x\] \[9\] \[4\] \[1\] \[0\]
\[y\] \[3\] \[2\] \[1\] \[0\]

\[\lbrack 2;4\rbrack\]

\[y_{\min} = \sqrt{2}\]

\[y_{\max} = 2\]