Ответ:
\[y = f(x);\ \ \lbrack - 5;4\rbrack:\]
\[f(x) = - 2\ \ при\ \ \ x = - 3;\ - 1\]
\[f(x) = 2\ \ при\ \ \ x = - 4,5\]
\[f(x) = 1\ \ при\ \ \ x = 2;\ - 4\]
\[f(x) = 0\ \ при\ \ \ x = - 3,5;1.\]
\[y = f(x);\ \ \lbrack - 5;4\rbrack:\]
\[f(x) = - 2\ \ при\ \ \ x = - 3;\ - 1\]
\[f(x) = 2\ \ при\ \ \ x = - 4,5\]
\[f(x) = 1\ \ при\ \ \ x = 2;\ - 4\]
\[f(x) = 0\ \ при\ \ \ x = - 3,5;1.\]