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4-4 Periodic Functions; Stretching and Translating Graphs. Vertical Shift. Horizontal Shift. Periodic Function. The smallest period of a periodic function is called the fundamental period, or the cycle of the function. Periodic Function, continued.
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Periodic Function The smallest period of a periodic function is called the fundamental period, or the cycle of the function.
Periodic Function, continued If a periodic function has a maximum value M and a minimum value m, then the amplitudeA of the function is shown above.