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OpenStudy (kj4uts):
The function f(x)=-3cos(3x+pi/4) has ____.
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OpenStudy (kj4uts):
OpenStudy (kj4uts):
I think the answer is C. amplitude of 3 and period of 2pi. Is this correct? Please explain. Thank you!
OpenStudy (anonymous):
https://www.wolframalpha.com/input/?i=f%28x%29%3D-3cos%283x%2B%28pi%2F4%29%29+period
OpenStudy (anonymous):
D
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