Equations of Exponential Functions


A 30-gram sample of bacteria has some unknown disease that is killing the bacteria. The amount of bacteria is measured each day and the results are shown in the table.


What is the amount of bacteria on the 8th day?


a. On the eighth day, the bacteria is 1.72 grams

b. On the eighth day, the bacteria is 19.90 grams

c. On the eighth day, the bacteria is 6.23 grams

d. On the eighth day, the bacteria is 6271.89 grams


Please select the best answer from the choices provided