
Concept explainers
a.
To plot: The data on graph.
a.

Answer to Problem 93E
Explanation of Solution
Given:The table shows the normal daily high temperatures in Houston H (in degree Fahrenheit) for month t, with
Plot the points on graph using scatter creator.
b.
To find: The cosine model.
b.

Answer to Problem 93E
Explanation of Solution
Given: The table shows the normal daily high temperatures in Houston H (in degree Fahrenheit) for month t, with
First trace the all the points and then find the cosine function.
So, cosine function will be
c.
To fit: The model and data plot on graph
c.

Explanation of Solution
Given: The table shows the normal daily high temperatures in Houston H (in degree Fahrenheit) for month t, with
Best fit
d.
To find: The overall normal daily high temperature.
d.

Explanation of Solution
Given: The table shows the normal daily high temperatures in Houston H (in degree Fahrenheit) for month t, with
The coefficient of cosine model is normal daily high temperature.
Hence, the overall normal daily temperature
e.
To find: The months during which the normal daily high temperature is above
e.

Answer to Problem 93E
Below
Above
Explanation of Solution
Given: The table shows the normal daily high temperatures in Houston H (in degree Fahrenheit) for month t, with
The coefficient of cosine model is normal daily high temperature.
First check the months below
Months: October through May
Months above
Months: June through September
Chapter 5 Solutions
Precalculus with Limits
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