\[y = \sqrt{x - 2} + 3x + 5\]
\[x - 2 \geq 0\]
\[x \geq 2\]
\[D(y) = x \in \lbrack 2;\ + \infty).\]
\[y(2) = \sqrt{2 - 2} + 3 \cdot 2 + 5 = 11.\]
\[E(y) = y \in \lbrack 11; + \infty).\]