Graphing Functions

What is the equation of the graph?

• y = -2 cos x - 3

• y = 3 cos x - 2

• y = -7 cos x - 3

• y = -3 cos x - 4 

What is the amplitude and period of the function: y= 2/5sin9x

• Amplitude: 2/5 Period: 2π/9

• Amplitude: 2/5 Period: π/6

• Amplitude: 5/2 Period: 2π/9

• Amplitude: 5/2 Period: π/6

17.  Determine the equation

• tan x

• cot x

• tan 2x

• cot 2x

Which equation matches the graph?

• -tan(x-π/2)

• -tan(x+π/2)

• cot(x+π/2)

• -cot(x+π/2)

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

• Pi

• 2Pi

• Pi/2

• Pi/4 

Sine or Cosine?

• y=sinx

• y=cosx

What is the equation of the graph?

• y = 2 cos x

• y = sin x

• y = 2 sin x

• y = sin 2x

What is the equation of graph?

• y = sin 5x

• y = cos 5x

• y = 5 sin x

• y = 5 cos x

What is the equation of the graph?

• y = -2 cos x - 3

• y = 3 cos x - 2

• y = -7 cos x - 3

• y = -3 cos x - 4

What is the equation of this graph?

• y=cos2x

• y=2sin2x

• y=2cos2x

• y=2sinx