In the elliptic curve group defined by y2= x3- 17x + 16 over real numbers, what is 2P if P = (4, 3.464)?

In the elliptic curve group defined by y2= x3- 17x + 16 over real numb

1.	In the elliptic curve group defined by y2= x3- 17x + 16 over real numbers, what is 2P if P = (4, 3.464)?
A.	(12.022, -39.362)
B.	(32.022, 42.249)
C.	(11.694, -43.723)
D.	(43.022, 39.362)
Answer» B. (32.022, 42.249)