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Mathematics 14 Online
OpenStudy (kj4uts):

What is the amplitude of the sinusoid given by y=-3sin(5x)? Please explain answer. Thank you!

OpenStudy (p0sitr0n):

3 since -1 <= sin(x) <=1, then multiply everything by 3

OpenStudy (johnweldon1993):

\[\large asin(bx - c) + d\] The amplitude is 'a' in this equation

OpenStudy (p0sitr0n):

also remember amplitude is always positive

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