Part of the graph of the function f(x) = (x + 4)(x-6) is
shown below.
-6
42
6
4
2
-2
+
4
-6
2 4
6 X
Which statements about the function are true? Select
two options.
The vertex of the function is at (1,-25).
The vertex of the function is at (1,-24).
The graph is increasing only on the interval -4< x <
6.
The graph is positive only on one interval, where x <
-4.
The graph is negative on the entire interval
-4