Which statement is true about f of x is equal to negative 2 thirds start absolute value x plus 4 end absolute value minus 6 ?
A
The graph of f of x has a vertex of open paren negative 4 comma 6 close paren .B
The graph of f of x has a domain of x is less than or equal to negative 6 .C
The graph of f of x is a horizontal stretch of the graph of the parent function.D
The graph of f of x opens upward.