What is the amplitude, period, phase shift and vertical displacement of #y=3sin(3x-9)-1#?

1 Answer
Feb 27, 2017


Amplitude = 3
Period = 120 degrees
Vertical Displacement = -1


For period use the equation: T = 360/n

n would be 120 in this case because if you simplify the equation above it would be:

#y = 3sin3(x-3) -1#

and with this you use the horizontal compression which would be the number after "#sin#"