Graphing Sin and Cosine Vertical Transformations

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

• 7
• -2
• 3
• 6

Which value represents a horizontal shift (left and right) in the following function y=a*sin(bx-c)+d?

• a
• b
• c
• d

which value represents midline in the function y = asin(bx-h) + k

• a

• b

• h

• k

What is the midline of this graph?

• y = 0

• y = -1

• y = -2

• y = -3

What does a negative A value cause?

• A negative amplitude
• A reflection across the Y axis
• No effect
• A reflection across X axis

What is the period of the function y=5cos(⅕x)

• 10π
• 2π/5
• ⅕
• 10

Describe the shift: cos(x-(π/4))

• Up π

• Down (π/4)

• Left (π/4)

• Right (π/4)

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)

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

Which equation?

• y= -cos(2x)
• y= cos(2x)
• y= (1/2)cosx
• y= (-1/2)cosx