24 - Better Than Average.pdf

# 24 - Better Than Average.pdf - Name Finding an average...

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Name: __________________________ Finding an average Better than Average! Many situations in business require the use of an “average” function. One example might be the determination of a function that models the average cost of producing an item. In this activity, you will build and use an “average” function. When the iPhone was brand new, one could buy a 8-gigabyte model for roughly \$600. There was an additional \$70-per month service fee to actually use the iPhone as intended. We will assume for this activity that the monthly service fee does not change. A. Determine the TOTAL cost of owning an iPhone after: i. 2 months ii. 4 months iii. 6 months iv. 8 months B. Write a linear function that represents the TOTAL cost for the iPhone over x months. To determine the average cost per month (or the average monthly cost), we take the total cost and divide by the number of months. C. Determine the average monthly cost of owning an iPhone for: i. 2 months ii. 4 months iii. 6 months iv. 8 months D. Write a rational function that represents the

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• Fall '13
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