Sine and Cosine Graphs

Which function represents the graph?

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

Tags

CCSS.HSF-IF.C.7E

Which function represents the graph?

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

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

What is the amplitude of the graph? 

• 1
• 3
• 6
• 9

Tags

CCSS.HSF-IF.C.7E

9.  What is the amplitude for y = 4cos(¹/₂x +π) - 2?

• 2
• pi/2
• pi
• 4

Tags

CCSS.HSF-IF.C.7E

y=3 sin2x-4

• vertical stretch by 2

• vertical stretch by 4

• vertical stretch by 3

• vertical shrink by 3

y=3 sin2x-4

• shifts up 4

• shifts up 3

• shifts down 4

• shifts up 2

Which of these equations have an amplitude of 6?

• y=6sin(8x)
• y=sin6(x-1)
• y=sin1/6x
• y=sinx+6

Identify the phase (horizontal) shift.

• right 15

• left 15

• right π
• left π

Calculate the period of the function.

• 4
• π
• π/2
• π/4