\[y = \sqrt{3x - 2x^{2}}\]
\[3x - 2x^{2} \geq 0\]
\[2x^{2} - 3x \leq 0\]
\[2x(x - 1,5) \leq 0\]
\[0 \leq x \leq 1,5.\]
\[Ответ:D(y) = \lbrack 0;1,5\rbrack.\]