Вопрос:

Ответ:

\[y = {- x}^{2}\]

\[x\] \[- 2\] \[- 1\] \[0\] \[1\] \[2\]
\[y\] \[- 4\] \[- 1\] \[0\] \[- 1\] \[- 4\]

\[y( - 2) = - 4;\]

\[y(1) = - 1;\]

\[y(3) = - 9.\]