# calculus

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The population of less-developed countries in mid-2007 of 4086 billion expected to grow at 1.8% per year, If this growth rate continues until mid-2025, what will be the size of the population then?

• calculus -

let t be year.

Population(t)=4086e^.018(t-2007)

One question to explore, is the exponential model to use for population.

Population(2025)=4086e^.018*18=you do it.

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