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Exploring
Period...Period. 

In this activity, periodic graphs and the period of the sine function are investigated. Mathematical Topics: the meaning of period, periodic graphs, the graph of y = sin(x), the graph of y = sin(bx), scaling, domain, and frequency. Mathematical Thinking: Analyze graphs, make predictions and conjectures about the effects of the variable b in the equation y = asin[b(xc)]+d, and derive periodic formulas. Technology: Students will use the interactive website activity at ExploreMath located at: http://www.exploremath.com/activities/Activity_page.cfm?ActivityID=23 Below is a sample screen shot of the ExploreMath activity.


