Question

The population of a once very popular city of 250,000 people has been decreasing by 3.5% each year. Write an exponential decay function that represents the population after t years

Answer 1

Y= 250000-8750t

3.5 percent of 250000 is 8750, if that’s the amount decreasing each (t) years, you multiply that number by number of years taken into account.

Answer 2

An exponential decay function that represents the population after t years is $\rm f (x) = 250000 (0.965)^t$.

What is an Exponential Function?

An exponential function can be represented in the form f(x) = aˣ.

The population of a city was 250,000

Rate of decay is 3.5%

100 -3.5 = 96.5%

The population after t years is represented by the function

$\rm f (x) = 250000 (0.965)^t$

To know more about Exponential Function

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