What is the equation of the circle with center (-3.2,-2.1) and radius 4.3?
A. (x+ 3.2)2 + (y-2.1)2 = 4.32
B. (x + 3.2)2 + (y + 2.1)2 = (4.3)2
C. (x + 2.1)2 + (y-3.2)2 = 4.32
D. (x-2.1)2-(y + 3.2)2 = (4.3)2