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Mathematics 8 Online
OpenStudy (anonymous):

http://imageshack.us/photo/my-images/69/page363.jpg/ I need help number 14 , Please!

OpenStudy (anonymous):

14 is NOT periodic

OpenStudy (anonymous):

13 is periodic with period 6 15 is periodic with period 20

OpenStudy (anonymous):

16,17,18 are not periodic. rational function or polynomial is. if you want to model something that is periodic you need sines and cosines

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