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Sagot :
Exponential Growth
If a population has exponential growth, starting from an initial population Po, then the future number of members of the population is given by:
[tex]P(t)=P_o\cdot(1+r)^t[/tex]Where r is the growth rate and t is the time.
We are given the current population of bears Po = 43 and the increasing rate of r = 5% = 0.05 each year, thus the model can be written as:
[tex]\begin{gathered} P(t)=43\cdot(1+0.05)^t \\ \text{Calculating:} \\ P(t)=43\cdot(1.05)^t \end{gathered}[/tex]Next year (t = 1), the population is expected to be:
[tex]\begin{gathered} P(1)=43\cdot(1.05)^1 \\ P(1)=43\cdot(1.05) \\ P(1)\approx45 \end{gathered}[/tex]There will be 45 bears next year
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