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OpenStudy (anonymous):
Identify the maximum and minimum values of the function y = 8 cos x in the interval [-2π, 2π]. Use your understanding of transformations, not your graphing calculator.
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OpenStudy (anonymous):
The graph of 8 cos x is the same graph as cos x, just narrower and reaches a height of 8 and a lowest point of -8. The graph of cos x has a max value of 1 and a minimum value of -1. Therefore, 8 cos x , has a max value of 8 and a min value of -8.
OpenStudy (anonymous):
@easyaspi314 thank you!
OpenStudy (anonymous):
welcome.
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