Exponents and Exponential Functions 6

Exponents and Exponential Functions 6

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The number of student athletes at a high school is 300 and is increasing at a rate of 8% per year. Use an exponential function to find the number of student athletes after 5 years.

Round to the nearest whole number.

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Annual sales for a company are at $149,999 and are increasing at a rate of 6% per year. Use an exponential function to find the annual sales after 7 years.

Round to the nearest whole number.

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A farmer buys a tractor for $50,000. If the tractor depreciates 10% per year, use an exponential function to find the value of the tractor in 7 years.

Round your answer to the nearest whole number.

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An investment of $8,200 loses value at a rate of 2% per year. Use an exponential function to find the value of the investment after 9 years.

Round your answer to the nearest dollar.