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OpenStudy (anonymous):
whats the period, range and amplitude of y=-3 cos 4x
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OpenStudy (anonymous):
period is pi/2 amplitude is -3 range is -3 <= y <= 3 ( i think )
OpenStudy (anonymous):
I think the range is -3 to 3 since the range is just the min and max y values. No matter what number x is y will never be smaller than -3 or larger than 3.
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