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