(a)
To calculate: The sinusoidal model for
The sinusoidal model for the given data is
Given information: The given table shows the number of employees
Calculation:
To find the sinusoidal model for the given data, follow the below steps in a graphing calculator.
Press “ON” button on the graphing calculator. Enter the keys
Figure (1)
To draw the scatterplot, press the keys
Figure (2)
To find the sinusoidal regression, press the keys
Figure (3)
Now, press
Figure (4)
From the above figure, the model appears to be a good fit.
Therefore, the sinusoidal model for the given data is
(b)
To calculate: The number of employees in the twelfth year.
The number of employees in the twelfth year will be
Given information: The given table shows the number of employees
Calculation:
From part (a), the sinusoidal model for the number of employees and time is
Substitute
Thus, number of employees in the twelfth year will be
Chapter 10 Solutions
Holt Mcdougal Larson Algebra 2: Student Edition 2012
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