\[\boxed{\mathbf{558}.}\]
\[1)\ y = x^{\frac{1}{2}}\]
\[D(x):\ \ x \geq 0;\]
\[E(y):y \geq 0.\]
\[2)\ y = x^{- 4} = \frac{1}{x^{4}}\]
\[D(x);\ \ x \neq 0;\]
\[E(y):y > 0.\]
\[3)\ y = x^{- 3} = \frac{1}{x^{3}}\]
\[D(x):\ \ x \neq 0;\]
\[E(y):y \neq 0.\]
\[4)\ y = x^{\frac{1}{5}}\]
\[D(x):\ \ x \in R;\]
\[E(y):\ \ y \in R.\]