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Mathematics 17 Online
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. With work please and I give medals

OpenStudy (amorfide):

draw a graph for y=cosx then draw on the same axis, y=8cosx it is a stretch factor of 8 parallel to the y axis

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