Which of the following is a result of shifting a circle with equation
(x - 1)2 + (y - 4)2 = 16
up 4 units?
A. Both the x- and y-coordinates of the center of the circle increase
by 4.
B. Both the x- and y-coordinates of the center of the circle decrease
by 4.
c. The y-coordinate of the center of the circle increases by 4.
D. The y-coordinate of the center of the circle decreases by 4.
