Period, Amplitude and Unit Circle

What is the equation of graph? 

• y = sin 5x
• y =  cos 5x
• y = 5 sin x
• y = 5 cos x 

What is the amplitude of the graph? 

• 1
• 3
• 6
• 9

what is the amplitude of y=3sin(7x)-2

• 7
• -2
• 3
• 6

Convert 100⁰ to radians

• 5π/9
• π/2
• 5π/8
• 5π/6

What is the amplitude of this function?

• 2
• 2π
• -2
• 1

What is the domain and range of y=sinx?

• D: (-∞, ∞)
  R: [-1, 1]
  
• D: (-∞, ∞)
  R: [-π, π]
• D: (∞, -∞)
  R: [-1, 1]
  
• D: (-∞, ∞)
  R: [-∞, ∞]
  

what is the period of y= -3sinx

• π
• 2π
• 3π
• 4π

What is the period?

• π/4
• π/2
• 3π/4
• π

What is the period?

• 4π
• 2π
• π
• 8π

What is the period of y=4cos5x

• 2π/5
• π
• 5
• 5π