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Sine or Cosine?

• y=sinx
• y=cosx

What is the amplitude of

y = -3sin (7x) -2

• 7

• -2

• 3

• -3

What is the period of either graph? 
y = sin(x)      &   y = cos (x)

• Pi
• 2Pi
• Pi/2
• Pi/4 

What is the equation of the graph?

• y = 2 cos x

• y = sin x

• y = 2 sin x

• y = sin 2x

What is the vertical shift?

• Down 1

• Down 5

• Down 3

• Down 4

What is the vertical shift for y = 4cos(¹/₂x +π) - 2?

• up 2

• left 2

• right 2

• down 2

What is another name for a phase shift?

• Horizontal Dilation

• Horizontal Shift/Translation

• Vertical Dilation

• Vertical Shift/Translation

Write an equation for the cosine function with amplitude 3, period 2pi, phase shift of pi, and vertical shift of 5.

• y = 5cos(x - pi) + 3

• y = 3cos(x - pi) + 5

• y = 3cos(2x - pi) + 5

• y = 5cos(2x - pi) + 3

• undefined units left

A trig function has an amplitude of 4 and a minimum value of 5.  What is its maximum value?

• 7
• 9
• 11
• 13