Вопрос:

Ответ:

\[y = \frac{7}{\sqrt{6x - 3x^{2}}}\]

\[6x - 3x^{2} > 0\]

\[3x^{2} - 6x < 0\]

\[3x(x - 2) < 0\]

\[D(y) = (0;2).\]