Вопрос:

Ответ:

\[y = \frac{1}{4}x^{2};\ \ \ \lbrack - 4;8\rbrack.\]

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

\[y(0) = 0;\]

\[y(8) = 16.\]

\[E(y) = \lbrack 0;16\rbrack.\]