Exponential Growth

The cost of tuition at a college is $12,000 and is increasing at a rate of 6% each year. Use an exponential function to fine the tuition coast after 4 years.

• $15,149.72

• $78,643.20

• $7,864.32

• $1,514.97

The number of student athletes at a local 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.

• 440

• 2400

• 5668

• 340

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

• $150,041

• $4,026,505

• $225,543.04

• $200,000

The population of a small town is 1600 and is increasing at a rate of 3% per year. Use an exponential function to find the population of the town after 10 years.

• 1630

• 2150

• 22,057

• 3750

In 1985, there were 285 cell phone subscribers in Mayville. The number of subscribers increased by 75% per year after 1985. Find the number of subscribers in 2008.

• 350

• 895,452

• 110,845,988

• 1,568,489

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