Which statements about the function are true? Choose three correct answers.
A
The graph is increasing on the interval x is greater than negative 3 .B
The graph is negative on the interval x is less than negative 4 .C
The vertex of the function is at negative 3 comma negative 16 .D
The vertex of the function is at negative 4 comma negative 15 .E
The graph is positive only on the intervals where x is less than negative 7 and where x is greater than 1 .