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Mathematics 17 Online
OpenStudy (anonymous):

New Picture is attached below. PLEASE show me how to solve this.

OpenStudy (anonymous):

jimthompson5910 (jim_thompson5910):

The number in front of the cosine function helps you find the amplitude You take that number and apply the absolute value to it |A| = |-5| = 5 So the amplitude is 5 units. Keep in mind that the amplitude is always positive (since it represents the distance from center to peak)

OpenStudy (anonymous):

Oh ok thank you!

jimthompson5910 (jim_thompson5910):

you're welcome

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