Chapter 1 & 2
Exercises
Graphing
1.
Assume that the following table gives the average number of tickets that would be sold
per showing if a movie theater charged the various prices listed below.
Price per Movie
Average Number of Tickets Sold
$2
1650
3
1350
4
1050
5
750
6
450
7
150
8
50
9
0
The grid in Figure 1.4 will be used to graph the above information. Answer questions a through c based
on this information.
Figure 1.4
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a.
Plot the various priceaverage numbers of tickets sold combinations on the graph.
b.
Connect the plotted points to form a line.
c.
Does the line on the graph indicate a direct or inverse relationship between the variables?
Why?
2.
On each of the following graphs in figure 1.5, draw a line to illustrate the relationship
between the variables given in examples a through d below. Be sure to label the axes for
each graph. State direct or inverse relationship.
a.
Show the relationship between pounds overweight and exercise.
b.
Statistics indicate that the efficiency at which an automobile operates decreases at high
speeds. Graph the relationship between miles per hour at high speeds and miles per
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 Spring '09
 OROSCO,GLENDA
 Supply And Demand, consumer goods, capital goods

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