The average gas mileage for an SUV is modeled by the function
m(s)=−0.015(s−55)^2+15, where s is the SUV's speed in miles per hour.
The difference in maximum mileage between these two vehicles is _____ mpg (miles per gallon).
Enter the number that correctly fills in the blank in the previous sentence.

Question

The average gas mileage for an SUV is modeled by the function 
m(s)=−0.015(s−55)^2+15, where s is the SUV's speed in miles per hour. 
The difference in maximum mileage between these two vehicles is _____ mpg (miles per gallon). 
Enter the number that correctly fills in the blank in the previous sentence.

3mar · Answer

Any ideas?

holsteremission · Answer

Seems you're missing some info. You're given a function for the average gas mileage of one vehicle, but not the other. You need to other to compute an difference between between them.