Sheleah and her family are planning a trip from los angeles, california to melbourne, australia. while booking her family's plane tickets, she notices on the itinerary that the airline is offering a sixteen hour straight flight from los angeles to melbourne on a boeing 747-8 intercontinental jet. in an effort to learn more about the capabilities of the jet, sheleah does a little research and stumbles upon the following graph and facts about the jet's gasoline consumption. the boeing 747-8 intercontinental jet can carry approximately 422,000 gallons of gasoline, making it possible for the jet to travel 14,430 kilometers before needing to refuel. create a linear model that represents the amount of gasoline on the plane, in gallons, as a function of the flight time, in hours.