the function G(x)=0.1x^6 - 2x^5 + 14.4x^4 - 44.2x^3 + 52.7x^2 - 21x + 30 describes the gas mileage, G in miles per gallon, at the point in time x hours into a 7 hour road trip. Find the maximum gas mileage, the minimum gas mileage, and the average gas mileage.
How do I begin to set the integral?
How do I begin to set the integral?