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OpenStudy (anonymous):
Identify the maximum and minimum values of the function y = 3 cos x in the interval [-2π, 2π]. Use your understanding of transformations, not your graphing calculator. PLEASE HELP!
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OpenStudy (anonymous):
the maximum value of cosine is 1, so the maximum value of \(3\cos(x)\) is 3
OpenStudy (anonymous):
similarly for the min, min of cosine is -1, min of 3cosine is -3
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