\[\boxed{\text{790\ (790).\ }\text{Еуроки\ -\ ДЗ\ без\ мороки}}\]
\[1)\ x = - 1 \Longrightarrow \text{\ \ }y = - 10 + 1 =\]
\[= - 9\]
\[2)\ x = 3 \Longrightarrow \ y = 10 \cdot 3 + 1 = 31\]
\[3)\ x = - \frac{1}{5} \Longrightarrow \text{\ \ }y = \frac{10}{- 5} + 1 =\]
\[= - 1\]
\[4)\ x = 7 \Longrightarrow \text{\ \ }y = 10 \cdot 7 + 1 =\]
\[= 71\]