Question: Growth Formula: y = a (1 + r)t a = original number; r = rate (% in decimal form); t = time periods exponential function

Growth Formula: y = a (1 + r)t

a = original number; r = rate (% in decimal form); t = time periods

exponential function to model each situation. Find each amount at the end of the specified time. Round your answers to the nearest whole number.

The population of Smalltown in the year 1890 was 6,250.

Since then, it has increased at a rate of 3.75% each year.

What was the population of Smalltown in the year 1915?

In 1940?

What will the population of Smalltown be in the year 2003?

When will the population reach 1,000,000 (to the nearest year)?

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