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# 1.4 - PowerPoint PPT Presentation

Exponential Functions. 1.4. Bellwork. Page 24 #18. Listed in the table below is the United States population data for the years 1980 to 1986. Is there a linear relationship ?. Is ther e another relationship within the data?. Exponential Growth model. Exponential Growth.

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Presentation Transcript

Exponential

Functions

1.4

Bellwork

Page 24 #18

Listed in the table below is the United States population data for the years 1980 to 1986.

Is there a linear relationship?

Is there another relationship within the data?

Exponential Growth model

Exponential Growth

Exponential Decay

A house was purchased in 1998 for \$106,000. If houses in that area appreciate approximately 2.3% per year, what is the value of the house in 2010?

Suppose that an initial population of 10,000 bacteria grows exponentially at a rate of 1% per hour. Find a formula that represents the number of bacteria present t hours later.

A certain model car depreciates approximately 18% per year. When new, the cost of the car was \$18,000. What is the value of the car in 5 years?

Homework

Page 31 #7, 9-13 odd, 14-18 all, 21