\[\boxed{\text{145\ (145).}\text{\ }\text{Еуроки\ -\ ДЗ\ без\ мороки}}\]
\[\textbf{а)}\ y = x^{6}\]
\[\textbf{б)}\ y = x^{7}\]
\[\textbf{в)}\ y = x^{8}\]
\[\textbf{г)}\ y = x^{9}\ \]