What is the standard form of the equation of the circle in the graph?

a.) (x + 1)2 + (y + 2)2 = 4
b.) (x - 1)2 + (y - 2)2 = 4
c.) (x - 1)2 + (y - 2)2 = 16
d.) (x + 1)2 + (y + 2)2 = 16

C(1;2)
a = 1
b = 2
r = 4

(x-a)² + (y-b)² = r²

(x-1)² + (y-2)² = 4²

(x-1)² + (y-2)² = 16

If you need an equation, it would be y=2x+8, y would be how long it grew, x being weeks.if you need how long he was asleep, it would be 4 weeks if he started with no beard, the equation would be x=8÷2if he did have a beard before hand, the equation would be 2w+x=8