The graph of the function f(x) = -(x + 3)(x - 1) is shown
below.
which statement about the function is true?
the function is positive for all real values of x where
x< -1.
the function is negative for all real values of x where
< -3 and where x > 1.
the function is positive for all real values of x where
> 0.
the function is negative for all real values of x where
x< -3 or x> -1.
-6
4
ht
-2
+
2
4
6
x