If the ordered pair (a, b) belongs to the function f(x) = y
Then the function notation is to replace x by a and y by b
[tex]f(a)=b[/tex]
Since the ordered pair (2, -2) belongs to f(x) = y
Then replace x by 2 and y by -2
Then it should be
[tex]f(2)=-2[/tex]
The answer is f(2) = -2
