a.
To find: The initial amount, growth factor, and the annual percent increase.
The initial amount is 0.42 millions.
The growth factor is 2.47.
The annual percent increase is 147%.
Given:
Calculation:
Consider,
It can be written as,
Now by comparing with
Now the initial amount is,
The growth factor is,
And the annual percent increase is,
b.
To find: The number of DVD players sold in the year 2001 by using the graph of the given function.
15.633 million DVD players sold in the year 2001.
Given:
Calculation:
The given function passes through the points
Now the graph is,
From the graph, it can be seen that the number of DVD players sold 4 years after 1997 is 15.633 millions.
Hence, 15.633 million DVD players sold in the year 2001.
Chapter 4 Solutions
Holt Mcdougal Larson Algebra 2: Student Edition 2012
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