\[\boxed{\mathbf{136.}}\]
\[1)\ y = - x^{\frac{1}{2}}\]
\[x^{\frac{1}{2}} = - y\]
\[x = - y^{2}.\]
\[E(y) = ( - \infty;\ 0\rbrack.\]
\[y = x^{2}\ при\ x \leq 0.\]
\[2)\ y = - x^{\frac{3}{5}}\]
\[x^{\frac{3}{5}} = - y\]
\[x^{3} = - y^{5}\]
\[x = - y^{\frac{5}{3}}\]
\[y = - x^{\frac{5}{3}}.\]
\[3)\ y = x^{\frac{3}{2}}\]
\[x^{3} = y^{2}\]
\[x = y^{\frac{2}{3}}\]
\[y = x^{\frac{2}{3}}.\]
\[4)\ y = - x^{\frac{1}{3}}\]
\[x^{\frac{1}{3}} = - y\]
\[x = - y^{3}.\]
\[E(y) = ( - \infty;\ 0\rbrack.\]
\[y = - x^{3}\ при\ x \leq 0.\]