Which statements are true about the graph of the function f of x is equal to 6 x minus 4 plus x squared ? Choose two correct answers.
A
The axis of symmetry for the function is x is equal to 3 .B
The vertex of the function is negative 3 comma negative 13 .C
The vertex form of the function is f of x is equal to open paren x minus 2 close paren squared plus 2 .D
The function does not cross the x -axis.E
The graph increases over the interval negative 3 comma infinity .