A) Determine the equation of the logarithmic regression function for the data representing time as a function of caffeine level. B) Determine the time it takes for an average person to metabolize half of the caffeine in her or his bloodstream. C) Paula drank a cup of coffee that contained 200 mg of caffeine at 10:00am. How much caffeine will be in her bloodstream at 9:00pm that evening? D) Paula is only able to sleep if her caffeine levels are below 40 mg. If Paula usually goes to bed at 10:00pm, what is the latest time she can enjoy a cup of coffee? (State your answer to the nearest quarter hour) For more information about caffeine content in beverages, see