The graph below shows the relationship between the number of gallons of fuel remaining in a truck and the number of hours the truck has been driven Driving Truck 200 Fuel (90) 180 160 140 120 100 00 60 40 20 0 2 * 6 8 10 12 14 16 18 20 Time Driven (h) What does the y-intercept of the graph represent? G The number of gallons of fuel in the truck before any driving occurred. The number of hours the truck was driven before running out of fuel. The number of gallons of fuel the truck can hold. The number of hours required to use one gallon of fuel J OH OU