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This activity explores exponential growth and decay while comparing the usage of cellphone and landline phones. Students will determine the part of exponential equations, tables and graphs. There is also a section in which they can look at how to use a graphing calculator in their problem solving.
Teaching Duration:
90 Minutes
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I have been teaching 7th and 8th graders mathematics in a public school setting since 1999. I also take part teaching incoming 8th graders in a "math institute" each summer.
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