Which equation represents a circle that is concentric with the circle shown but has a radius that is twice as large?
A
open paren x minus 4 close paren squared plus open paren y minus 6 close paren squared is equal to 4B
open paren x minus 4 close paren squared plus open paren y minus 6 close paren squared is equal to 16C
open paren x minus 6 close paren squared plus open paren y minus 4 close paren squared is equal to 16D
open paren x minus 6 close paren squared plus open paren y minus 4 close paren squared is equal to 4