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Axia College Material
Appendix E
Fueling Up
Motorists often complain about rising gas prices. Some motorists purchase fuelefficient vehicles
and participate in trip reduction plans, such as carpooling and using alternative transportation.
Other drivers try to drive only when necessary.
Application Practice
Answer the following questions. Use Equation Editor to write mathematical expressions and
equations. First, save this file to your hard drive by selecting
Save As
from the File
menu. Click
the white space below each question to maintain proper formatting.
1.
Imagine you are at a gas station filling your tank with gas. The function
C
(
g
) represents
the cost
C
of filling up the gas tank with
g
gallons. Given the equation
)
(
03
.
3
)
(
g
g
C
=
a.
What does the number 3.03 represent?
The value of 3.03 is represents the
cost per gallon and the value of the variable C in the equation.
b.
Find
C
(2).
06
.
6
)
2
(
03
.
3
Answer= $6.06
c.
Find
C
(9).
27
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 Spring '11
 joe

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