Answer:
B
Step-by-step explanation:
It's not a function because the X's repeat
Answer:
19.2
Step-by-step explanation:
Remark
You have to stare at this for a moment before you catch on. When you fold the arc into a circle, 8pi becomes the circumference of the base circle.
Formula
C = 2*pi*r
C = 8pi
Solution
8pi = 2pi * r Divide both sides by 2pi
8pi / 2 pi = r
4 = r Answer