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June 30, 2015

Homework Help: Algebra 2

Posted by Lindsey on Sunday, March 27, 2011 at 2:38pm.

PLEASE HELP WITH THIS-ITS DUE APRIL 5TH, 2011!!!

During a past epidemic, the number of infected people increased exponentially with time, or f (t) = ab^t , where f is the number of infected people at time t, in days. Suppose that at the onset of the epidemic (0 days) there are 30 people infected, and 6 days after the onset there are 300 people infected.

a) Specify the function f, that models this situation, by determining a and b.

b) Predict the number of people who will be infected at the end of 2 weeks using your answer to a.

c) According to this function, approximately when will the number of infected people reach 10,000? (Use logarithms to sove this part - a guess and check answer WILL NOT be accepted)

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