The graph of the function f(x) = (x - 3)(x + 1) is shown.
Which describes all of the values for which the graph is
positive and decreasing?
O all real values of x where x < -1
O all real values of x where x < 1
O all real values of x where 1 O all real values of x where x>3
-10
-8
-
6
4
-