after t years,
p(t) = 23000 * 1.025^(t/8)
so, p(25) = 24845
p(-10) = 22301
A town population of 23,000 at present grows at an average rate of 2.5% every 8 years.
a)What is the possible population of the town in 25 years?
b)How many people were living in the town 10 years ago?
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