FUNCTIONS OF UNTI CIRCLE

What is the amplitude of the graph of y = 5cos2x -4

• 5

• 1

• 9

• 10

What is the maximum of y = 5 - 3 Cos (2x+1)

• 5

• 10

• 8

• 2

What is the minimum of y = 8-7Cos (x+2)

• 1

• -1

• 15

• -15

What is the difference between the maximum and minimum of y = 12 Sin 2x - 5

• 10

• 17

• 5

• 24

What is the amplitude of y = 12 - 25 Sin(2x + 5)

• 25

• 12

• 13

• 37

What is the difference between the amplitudes of y = 16cos (x+2) and y = -14Sin (2x-3)

• 2

• 30

• -2

• -4

What is the equation of the midline?

• y=4

• y=0

• y=5

• y=1

What is the equation of the midline?

• y=-1

• y=0.5

• y=-0.5

• y=1

What is the equation of the midline of y = 2sinx + 5

• y = 5

• y = 2

• y = 7

• y = 3

What is the period of y = 4Sin 5x (Period = $\frac{2\pi}{b}$   in y = asinbx)?

•  $\frac{2\pi}{5}$  

•  $\frac{2\pi}{4}$