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Determine the amplitude and period of each function without graphing.

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Determine the amplitude and period of each function without graphing.

y = - 4 cos(2x)

amplitude-period-of-the-function

asked Jan 26, 2015 in PRECALCULUS by anonymous

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1 Answer

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Step 1:

The function is .

A sinusoidal form of the function is .

Compare the above two functions,

Amplitude,

Period,

Solution :

Amplitude of the function

Period of the function

answered Jan 26, 2015 by james Pupil

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