Trig Graphs

The function f(x) = acos bx + c is plotted on the graph shown below.

What are the values of a, b, and c?

• a = 2, b = 6, c = 3

• a = 2, b = 3, c = 1

• a = 4, b = 6, c = 5

• a = 4, b = $\frac{\pi}{3}$ , c =3

Tags

CCSS.HSF-IF.C.7E

Which equation is represented by the graph shown below?

• $y=\frac{1}{2}\cos2x$

• $y=\cos x$

• $y=\frac{1}{2}\cos x$

• $y=2\cos\frac{1}{2}x$

Tags

CCSS.HSF-IF.C.7E

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 period of y=4cos5x

• 2π/5
• π
• 5
• 5π

Tags

CCSS.HSF-IF.C.7E

Write the equation for a sine function with an amplitude of 6 and a period of π/4.

• y=6sin(8x)
• y=6sin8(x-1)
• y=6sin1/4x
• y=6sinx

Tags

CCSS.HSF.TF.A.4

what is the period of y= -3sinx

• π
• 2π
• 3π
• 4π

Tags

CCSS.HSF.TF.A.4

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

Tags

CCSS.HSF-IF.C.7E

What is the vertical shift for

y = 4 cos(x +π) - 2?

• up 2

• left 2

• right 2

• down 2

Tags

CCSS.HSF-IF.C.7E

What is the amplitude of this equation?
y = -10cos(5x)

• -10
• 5
• 2pi/5
• 10

Tags

CCSS.HSF-IF.C.7E

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