A population of bacteria can be modeled by the function f( t) = 400(0.98) t , where t is time in hours. Which of the following best describes the rate of change in the function?

A)decrease 0.02% per hour

B)increase 0.02% per hour

C)decrease 2% per hour

D)increase 2% per hour

7. d. 64

8. i. 32

9. c. 125

10. j. none of the above

11. d. 81

12. i. 216

13. e. none of the above

14. g. 240

15. e. none of the above

16. g. 32

17.   e. none of the above

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