Answer:
A) (x − 2)2 + (y + 1)2 = 16
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Step-by-step explanation:
center: (2, −1)
(x − 2)2 + (y + 1)2
radius: 4
4^2 = 16
Its 9 because it includes f(x)
pi
To convert from degrees to radians, we multiply by pi/180
180 * pi/180 = pi
asd