Precalculus Final Exam Study Guide Part 2

What is the equation of graph? 

• y = sin 5x
• y =  cos 5x
• y = 5 sin x
• y = 5 cos x 

Tags

CCSS.HSF-IF.C.7E

What is the maximum value of the wave y = 10sin(2x - 20) + 25?

• 10
• 20
• 35
• 30

Tags

CCSS.HSF-IF.C.7E

The following wave represents a sound recorded for 8s.  Which equation best represents this wave?

• S = 5sin(2x)
• S = sin(5x) 
• S = 5sin(180x)
• S = 180sin(5x)

What is the equation of the graph?

•  y = 2 cos x
• y = sin x
• y = 2 sin x
• y = sin 2x 

Tags

CCSS.HSF-IF.C.7E

What is the equation of the graph?

• y = -2 cos x - 3
• y = 3 cos x - 2
• y = -7 cos x - 3
• y = -3 cos x - 4 

Tags

CCSS.HSF-IF.C.7E

what is the amplitude of

y = -3sin (7x) -2

• 7

• -2

• 3

• -3

Tags

CCSS.HSF-IF.C.7E

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

• pi/2
• pi
• 3pi
• 4pi

Tags

CCSS.HSF.TF.A.4

CCSS.HSF.TF.B.5

14.  What is the amplitude of the graph? 

• 1
• 3
• 6
• 9

Tags

CCSS.HSF-IF.C.7E

What is the amplitude and period of the function: y= 2/5sin9x

• Amplitude: 2/5 Period: 2π/9

• Amplitude: 2/5 Period: π/6

• Amplitude: 5/2 Period: 2π/9

• Amplitude: 5/2 Period: π/6

What is the equation of the graph shown?

• y = 3sin(θ + π/4) - 1

• y = 3cos(θ - π/4) -1

• y = 3sin(θ - π/4) + 1

• y = 3cos(θ + π/4) + 1

Tags

CCSS.HSF-IF.C.7E