PLEASE HELP 60 PTS Technetium-99m is a drug taken by a patient and then used to study tumors in the brain, lungs and other
parts of the body. A patient takes a 1000-mg pill. The data below shows how much active ingredient remains in
the body over 6-hour time intervals.
a) What is the initial value?
b) What is the growth/decay factor?
c) Write a rule for the function.

Recall that the owner of a local health food store recently started a new ad campaign to attract more business and wants to know if average daily sales have increased. historically average daily sales were approximately $2,700. the upper bound of the 95% range of likely sample means for this one-sided test is approximately $2,843.44. if the owner took a random sample of forty-five days and found that daily average sales were now $2,984, what can she conclude at the 95% confidence level?