Emily is on a Ferris wheel and her height is modeled by the equation 27
y = 30.48 cos2pi/4.25 (x - 2) + 34.27 where x = the number of minutes since the
ride began and y = the height in feet of Emily.
a) What is the radius of the Ferris wheel?
b) How long does it take Emily to make one rotation?
The radius is_
feet and it takes Emily_
minutes for one rotation.