What is the vertex of the graph of y plus 2 x plus 3 is equal to negative open paren x plus 2 close paren squared plus 1 ?
A
open paren 3 comma negative 24 close parenB
open paren negative 3 comma 3 close parenC
open paren negative 3 comma negative 33 close parenD
open paren 3 comma 21 close paren