Đ 3.
Number of
Hours
A doctor prescribes 500 milligrams of medicine to treat an
infection. Each hour following the initial dose, 85% of the
concentration remains in the body from the preceding hour
shown in the table. (This means 15% is being used by the
body every hour)
0
1
2
3
4
5
Number of Milligram
Remaining in the
Body
500
425
361.25
307.06
261
221.85
a.
Write a function to model this table. (2 points)
b.
After one day, how much medicine remains in the body? Round to the
nearest hundredths. (2 points)
c.
Suppose that the level of medicine in the patient's body must maintain a level
greater than 150 milligrams. How often does the patient need to take the
medicine? (2 points)
2/2