21 A population numbers 766 organisms initially and increases by 8.6% each year. Suppose P represents population, and t the number of years of growth. Write an exponential model to represent this situation.
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Step 1: The general form of an exponential model is $$P = a(1 + r)^t$$, where a is the initial amount, r is the growth rate, and t is the time. Show more…
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