Transformations of Sin and Cos

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

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

• 10π
• 10

• Up π

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)

Where does the graph of y=sin(x) begin its first cycle?

• (0,0)
• (1,0)
• (0,Pi)
• (1, Pi)

Where does the graph of cosine begin?

• (0,0)
• (0,1)
• (0, Pi)
• (1, Pi)