An airline sets the price of a ticket, P, based on the number of miles to be traveled, x, and the current cost per gallon of jet fuel, y, according to the function s each) P(x, y) = 0.5x + 0.03xy + 150 a) What is the price of a ticket for a 1400-mile trip when jet fuel costs on average is $6.70 per gallon in May 2022? b) Find the change in price if the trip is now 1700 miles, but the fuel price stays the same