Вопрос:

Ответ:

\[y = 2x + 1\]

\[x\] \[0\] \[1\]
\[y\] \[1\] \[- 1\]

\[\lbrack - 1;2\rbrack\text{\ \ }\]

\[y_{\min} = - 3;\ \ \ \ y_{\max} = 3.\]