Population over time question

jeffery_schlup

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Joined
May 19, 2019
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Hi I believe I have answers to A and C. I do have an answer to Part B but I am unsure if it is correct:

(A) x(t)=ce^(t/2) where c is the initial population

(B) 2ln(e^-1/c)

(C) Popluation after 5 years = 8208
 
You have a sign error in (A)

(B) is just incorrect.

\(\displaystyle \text{Solve $c e^{-\tau/2} =c e^{-1}$ for $\tau$}\)

(C) is correct so I guess the sign error in (A) was a typo.
 
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