SOLUTION: If fuel costs $1.40 per gallon, write the cost function, c(x), that expresses the cost of fuel for a 500 mile trip as a function of the speed. What driving speed will make the cost

Algebra.Com
Question 388124: If fuel costs $1.40 per gallon, write the cost function, c(x), that expresses the cost of fuel for a 500 mile trip as a function of the speed. What driving speed will make the cost of fuel for the trip $250?
Answer by Alan3354(69443)   (Show Source): You can put this solution on YOUR website!
No relation to speed or fuel consumption rate is given.