Refer to Exercise 56. Suppose that the person drinks a cup of coffee at 7 a.m. and then drinks a cup of coffee at the end of each hour until 7 a.m. the next day.
Refer to Exercise 56,
After caffeine is absorbed into the body, 13% is eliminated from the body each hour. Assume that a person drinks an 8-oz cup of brewed coffee containing 130 mg of caffeine, and the caffeine is absorbed immediately into the body.
(a) Find the difference equation for yn, the amount of caffeine in the body after n hours.
(b) How much caffeine will be in the body at the end of the 24 hours?