\[y = \sqrt{(2x + 3)(x - 1)}\]
\[ООФ:\ \ \ (2x + 3)(x - 1) \geq 0\]
\[\left\{ \begin{matrix} x = - 1,5 \\ x = 1\ \ \ \ \ \ \\ \end{matrix} \right.\ \]
\[Ответ:\ \ ( - \infty;\ - 1,5\rbrack \cup \lbrack 1;\ + \infty).\]