contestada

The circle below is centered at the point (3, 1) and has a radius of length 2.
What is its equation?
O A. (x-3)2+(8-1)2 =
(x + 1)2 + (y+ 3)2 =
O C. (x+3)2+(+12
-
10
O
D. (x-1)2 + (y- 3)2 = 4