Answer:
Wheres the graph? Or is the numbes that are on the graph im really confused?
1 chance if that chair is lifted that high up
C = (pi)(d)
C = 3.14 * 2
C = 6.28 <==
Answer:

Step-by-step explanation:
Since the amplitude of the cosine function is 2, I would put the multiply it by 2. There is no phase shift
The period is 1/2, so it would be 4pi
Plug them in into y=Acos(Bx), y=2cos(4pix)