Part of the graph of the function f(x) = (x + 4)(x − 6) is
shown below.
64 -2
6
4+
2+
y
-2+
$
-6-
2 4
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