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OpenStudy (anonymous):
Find the amplitude of y = -4 sin x.
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OpenStudy (anonymous):
It's the number in front :) So your answer is -4.
OpenStudy (anonymous):
is it - 4pi
OpenStudy (anonymous):
Nope! I believe you are getting confused with frequency.
OpenStudy (anonymous):
the only answer left is 4 or pi/4 there is no -4 other than -4pi
OpenStudy (anonymous):
Ah I am sorry, then the amplitude is 4. It will reach both 4 and negative 4. The amplitude is positive. 4 is your answer
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