Period & Amplitude

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

• 7
• -2
• 3
• 6

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

• 4π
• π
• 2π
• π/2

What is the period?

• 6

• 3π

• 6π

• 3

What is the period of y=4cos(5x)

• 2π/5
• 5π/2

• 5
• 5π

Which function represents the graph?

• f(x) = 3 sin x
• f(x) = 3 cos x
• f(x) = sin ( ⅓ x)
• f(x) = sin (3 x)

what is the period of y= -3sinx

• π
• 2π
• 3π
• 4π

What is the amplitude and period of y = 2sin(πx)

• 2 and 2
• π and 2 
• 2 and π
• 2π and 2

Find the amplitude of the function.

• A

• B

• C

• D

Find the amplitude of the function.

• A

• B

• C

• D

Find the amplitude of the function.

• A

• B

• C

• D