SOLUTION: Suppose you are at the gas station filling your tank with gas. The function C(g) represents the cost C of fillin gup the gas tank with g gallons. Given the equation: C(g)=2.78(g)

Question 453972: Suppose you are at the gas station filling your tank with gas. The function C(g) represents the cost C of fillin gup the gas tank with g gallons. Given the equation: C(g)=2.78(g)
a) what does the number 2.78 represent
b) Find C(3)
c) find C(15)
Would I plug the two into C(2) = 2.78?
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Suppose you are at the gas station filling your tank with gas. The function C(g) represents the cost C of fillin gup the gas tank with g gallons. Given the equation: C(g)=2.78(g)
a) what does the number 2.78 represent
The price per gallon, $2.78
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b) Find C(3)
Sub 3 for g
C(3) = 2.78*3 = $8.34 the cost of 3 gallons
c) find C(15)
C(15) = 2.78*15 = $41.70 the cost of 15 gallons
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Would I plug the two into C(2) = 2.78? C(2) = $5.36, the cost of 2 gallons.

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