If you know that a boy sits in a certain aisle and in a certain row, does it follow that you know in exactly what seat he sits?

Suppose that the function f is defined. , for all real numbers, as follows. _ \ 1/4x² -4 if x≠ -2 f(x)=< /_-1 if x=-2 find f(-5), f(-2), and f(4)