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A periodic function is a function that repeats its values at regular intervals

why its different is it repeats itself regularly on the graph

https://www.assignmenthelp.net/periodic-functions-in-real-life-situations

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1. Periodic functions repeat their values at regular intervals.                                                                                   

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2. This is different from the other functions we've studied because this one repeats itself on a regular basis.

3.
https://flexbooks.ck12.org/cbook/ck-12-conceptos-de-matem%C3%A1ticas-de-la-escuela-secundaria-grado-8-en-espa%C3%B1ol/section/7.18/related/lesson/modeling-periodic-behavior-alg-2-ccss/#:~:text=For%20example%2C%20high%20tides%20and,%2C%20the%20tide%20is%20low).

# data[].attributes.body
1. A periodic function is a function that repeats its values at regular intervals.
2. It repeats itself regularly
4. https://www.google.com/imgres?imgurl=https%3A%2F%2Fget.pxhere.com%2Fphoto%2Fwater-waves-surf-breakers-spray-move-foam-agitated-wave-wind-wave-ocean-sea-sky-tide-shore-coast-wind-coastal-and-oceanic-landforms-beach-vacation-cloud-surfing-surface-water-sports-1604077.jpg&imgrefurl=https%3A%2F%2Fpxhere.com%2Fen%2Fphoto%2F1604077&tbnid=MkPXx8wbJhEOjM&vet=12ahUKEwiXlJCnnMb3AhXNbs0KHfVcBgUQMygCegUIARCNAg..i&docid=YN0U8nOtJ4shCM&w=5184&h=3456&q=waves&hl=en&safe=active&ved=2ahUKEwiXlJCnnMb3AhXNbs0KHfVcBgUQMygCegUIARCNAg

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Definition: a function that repeats its values in regular intervals or periods.
It is different because of it repeats values.
https://www.reference.com/math/real-life-examples-periodic-functions-22654e1e81b2003

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A periodic function is a function where the graph repeats the same cycle over several "periods".  So, in the table of values,  the x and y coordinates will repeat the same pattern again and again.

These are different from past functions/graphs we have studied because in those functions the same (x, y) coordinates did not "recycle" again and again.

The graph below is periodic because it repeats the same cycle or pattern in the graph. It also demonstrates a real life example, the height of a person on a ferris wheel, as they repeat through the same heights over various times in the ride.  A bug on the blades of the windmill to the right would also model a periodic function if we looked at the bug's height.