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Mathematics 17 Online
OpenStudy (anonymous):

what cosine function represents an amplitude of 2, a period of 2pi, a horizontal shift of pi, and a vertical shift of -1

OpenStudy (anonymous):

@ganeshie8

OpenStudy (anonymous):

help!!!

OpenStudy (anonymous):

I'd say: $$ 2cos(x-\pi) - 1 $$Graph: http://www.wolframalpha.com/input/?i=2cos%28x+-+pi%29+-+1

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