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OpenStudy (kj4uts):
The function f(x)=-3cos(3x+pi/4) has ____.
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OpenStudy (kj4uts):
OpenStudy (kj4uts):
@amistre64
OpenStudy (kj4uts):
I think the amplitude is 3 I am just not sure about the period?
OpenStudy (kj4uts):
@jim_thompson5910
jimthompson5910 (jim_thompson5910):
y = A*cos(Bx - C) + D has period T = 2pi/B
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jimthompson5910 (jim_thompson5910):
y=-3cos(3x+pi/4) B = 3 in this case, so period is T = 2pi/B = 2pi/3
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