iPhone 6s Opening Weekend Sales

This activity is based on the following Yummy Math activity, created by Brian Marks and adapted here with permission:

http://www.yummymath.com/2015/iphone-6s-and-6s-plus-opening-weekend/

In this activity, students use previous iPhone sales data to make predictions about the number of iPhone 6s units sold during its opening weekend in September 2015. Students choose from linear, quadratic, or exponential models, or build their own based on a different function of their choosing.

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