The equation of a circle is x2+(y+4)2=1. What are the center and radius of the circle?Choose 1 answer:(A) The center is (−4,0) and the radius is 1 .(B) The center is (4,0) and the radius is 1 .(C) The center is (0,4) and the radius is 1 .(D) The center is (0,−4) and the radius is 1 . Get tutor help