\[\boxed{\text{285\ (285).}\text{Еуроки\ -\ ДЗ\ без\ мороки}}\]
\[Работа\ по\ рисунку\ 15.\]
\[x = - 2 \Longrightarrow \ \ y = 1,5;\]
\[x = - 1 \Longrightarrow \ \ y = 0;\]
\[x = 0, \Longrightarrow \ \ y = - 1;\]
\[x = 1, \Longrightarrow \ \ y = - 0,5;\]
\[x = 5 \Longrightarrow \text{\ \ }y = 2.\]