Sin/Cos Amp and Period

What is the period of the graph of: $y=\cos\left(\frac{1}{4}x\right)+3$  

•  $8\pi$  

•  $4\pi$  

•  $3\pi$  

•  $\frac{1}{4}\pi$  

What is the amplitude of the graph of: $y=-2\sin\left(3x\right)+1$  

•  $-2$  

•  $2$  

•  $3$  

•  $1$  

What is the period of the graph of:  $y=-4\cos\left(2x\right)-5$  

•  $2\pi$  

•  $\pi$  

•  $4\pi$  

•  $5\pi$  

What is the amplitude of the graph shown?

• $5$

• $-5$

• $2$

• $1$

What is the period of the graph shown?

• $4\pi$

• $2\pi$

• $\pi$

• It cannot be determined from the graph

The period of a sine or cosine graph can be found by ....

• It's always 2π
• 2π/B
• B(2π)
• 2π+B

Sine or Cosine?

• y=sinx
• y=cosx

Sine or Cosine?

• y=sinx
• y=cosx

What is the amplitude of the graph? 

• -2
• 2
• 4
• -4

What is the period of the graph? 

• 2pi

• pi/2

• 3pi

• pi/4