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Answered

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The population of a town is 12,500 and decreases by 6% each year due to migration. Write a function to predict the yearly decrease. Predict the population after 4 years.

Sagot :

lyndeegovert
A=P(1-r)^t
A is the final amount.
P is the principle or starting value.
Minus because the function is decay or decreasing.
r is the rate as a decimal
t is the years

A=12,500(1-.06)^t
Where t is the years.

For 4 years let t=4
A=12,500(1-.06)^4

A=9,759.362
Assuming you cannot have part of a person, since we are looking at population of a town.
= 9,759
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