SOLUTION: Please help me with this question, especially question c. Thank you so much! 7. An influenza virus is spreading through a school according to the function N(t) = 3(2)^t, where N i

Algebra ->  Test -> SOLUTION: Please help me with this question, especially question c. Thank you so much! 7. An influenza virus is spreading through a school according to the function N(t) = 3(2)^t, where N i      Log On


   



Question 1162537: Please help me with this question, especially question c. Thank you so much!
7. An influenza virus is spreading through a school according to the function N(t) = 3(2)^t, where N is the number of people infected and t is the time, in days.
a) How many people have the virus initially, when t = 0?
Page 3
b) Determine the average rate of change between
i) day 1 and day 2 ii) day 2 and day 3
Compare the rates with respect to the given situation.
c) Estimate the instantaneous rate of change after 3 days. Explain what the value represents in this situation.

Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


I just answered this one a few minutes ago.

Hint for part a): (there is controversy about whether a = 0 should not be excluded, but the point is moot in this instance because your exponential base is 2.

b)





c) Just slightly north of 16 and a half.


John

My calculator said it, I believe it, that settles it