SOLUTION: Write a function rule for the total cost in dollar of gasoline for$3 per gallon

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Question 1084350: Write a function rule for the total cost in dollar of gasoline for$3 per gallon
Answer by ikleyn(52781)   (Show Source): You can put this solution on YOUR website!
.
totalCost(nGallons) = 3*nGallons,   


or


y(x) = 3x, 


where y is the total cost in dollars and x is the volume in gallons.


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