6. [-13 Points} DETAILS Find the amplitude and period of the function. y = COS(51L'X) amplitude peod Sketch the graph of the function. 7. [-/3 Points] DETAILS Find the amplitude and period of the function. y = -6 sin(6x) amplitude period Sketch the graph of the function. X 2 A C C JT 2 71 2 IT 3 3 C C8. [-/4 Points] DETAILS Find the amplitude, period, and horizontal shift of the function. y = 4 sin(x - ) amplitude period horizontal shift Graph one complete period. y 4 2 2 X X - 2 -2 -4 -4 WebAssign Plot N 2 X X -2 -2 -4/9. [/4 Points] DETAILS Find the amplitude, period, and horizontal shift of the function. 7: y = cos(x _) 2 amplitude peod horizontal shift Graph one complete period. Y Y