"Graphing Sine and Cosine Functions"

What is the equation of the graph?

•  y = 2 cos x

• y = sin x

• y = 2 sin x

• y = sin 2x 

What is the period of y=4cos5x

• 2π/5

• π

• 5

• 5π

Write the equation for a sine function with an amplitude of 6 and a period of π/4.

• y=6sin(8x)

• y=6sin8(x-1)

• y=6sin1/4x

• y=6sinx

The period of a function is

• the length of one cycle

• how high and low the function goes from the center line

• the range of the function

What is the amplitude of this function?

• 2

• 2π

• -2

• 1

What is the amplitude of the graph? 

• 1

• 3

• 6

• 9

what is the period of y= -3sinx

• π

• 2π

• 3π

• 4π

What is an equation of the graph shown?

• y=cos1/2x

• y=cos2x

• y=sin 1/2 x

• y=sin2x

What is the period?

• 4π

• 2π

• π

• 8π

What is the period of y = 4Cos(2x)?

• 4π

• π

• 2π

• π/2