Gas mileage (miles per gallon, mpg) can be approximated by a quadratic function of speed. For a
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Question:
Gas mileage (miles per gallon, mpg) can be approximated by a quadratic function of speed. For a particular automobile, assume the vertex occurs when the speed is 50 miles per hour (the mpg will be 30).
a. Write a quadratic function that models this relationship, assuming 70 miles per hour corresponds to 25 mpg.
b. What gas mileage would you expect for this car driving 90 miles per hour?
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