a.
To create a graph
a.
Explanation of Solution
Given information:
In 2003, cost is $499.
In 2007, cost is 249.99.
Graph:
Interpretation:
The x -axis is year and y -axis is cost of MP3 player.
b.
To find the price drop per year.
b.
Answer to Problem 27PPS
Price drop is $62.25..
Explanation of Solution
Given information:
In 2003, cost is $499.
In 2007, cost is 249.99.
Formulaused:
Where,
Calculation:
Slope of the line is price drop per year. So, to find slope,
Coordinates are:
Substituting value,
Slope of line is,
Solving,
Slope is
Hence, price drop is $62.25.
a.
To find the total participants in 2010
a.
Answer to Problem 27PPS
Value of player in 2010 is $63
Explanation of Solution
Given information:
In 2003, cost is $499.
In 2007, cost is 249.99.
Calculation:
Observing the graph, the price of player can be found by looking at value of y -axis on 20130.
So, value of player is $63.
Chapter 3 Solutions
Geometry, Student Edition
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- Elementary Geometry For College Students, 7eGeometryISBN:9781337614085Author:Alexander, Daniel C.; Koeberlein, Geralyn M.Publisher:Cengage,Elementary Geometry for College StudentsGeometryISBN:9781285195698Author:Daniel C. Alexander, Geralyn M. KoeberleinPublisher:Cengage Learning