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Axia College Material
Appendix E
Fueling Up
Motorists often complain about rising gas prices. Some motorists purchase fuel efficient 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.
Suppose you are at the 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? $3.03 signifies the amount (price) the gas costs
per gallon.
b)
Find
C
(2)
$6.06 because C(2)=3.03(2)
c)
Find
C
(9)
$27.27 because C(9)=3.03(9)
d)
For the average motorist, name one value for
g
that would be inappropriate for this
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 Spring '10
 HINES
 Algebra

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