For the function shown below, identify the amplitude, period, and midline.

Amplitude: 4
Period:
2pi
Midline: y=3
Sketch the graph of the function and state the domain and range.
f(x)=sin(4x)
Domain:
RR
Range: [-1,1]

Write an equation for the function shown below.

f(x)= 4cosx-2
The function below models the average high temperature in degrees Fahrenheit in Pierre, SD, where t is in months and t=0 corresponds to January. Determine the period of this function.
y=60-30cos(pi/6t) models
12
For the function below, identify the amplitude, period, midline, and phase shift.
g(x)= -5sin(3(x-7))+4
Amplitude: 5
Period:
(2pi)/3
Midline: y=4
Phase Shift: 7 (right)
Sketch the graph of the function and state the Domain and Range.
f(x)= -2cosx
Domain:
RR
Range: [-2,2]

Jeff's height above the ground level was tracked as he rode a Ferris wheel. The graph is shown.

What is the radius of the Ferris wheel?
40 ft.

Write an equation to model Jeff's height as he is riding the Ferris wheel.
f(x)=-40cos(pi/4x)+35
Identify the period, domain, and range of the function shown.

Period:5
Domain:
RR
Range:[-60,60]
Sketch the graph of the function.
f(x)= -sinx - 2


How high above the ground is he at his highest point?
75 ft.
What is the average high temp for Pierre using the following function?
y=60-30cos(pi/6t)
60 degrees Fahrenheit
Sketch the graph of the function
f(x)=sin(pi/8 x)


How long does it take the Ferris wheel to make one revolution?
8 minutes
What is the maximum high temperature for Pierre giving the equation?
y=60-30cos(pi/6t)
90 degrees Fahrenheit

It takes 6 minutes to load the Ferris wheel, after which it makes two revolutions before beginning the unload process. If Jeff is the first person loaded, and the first person to get off, how long is he on the Ferris wheel total?
22 minutes
When does the high temperature occur according the the equation below?
y=60-30cos(pi/6t)
June