Joseph is driving on a long road trip. He wrote an equation to represent how many gallons of gas he has left in his tank, g=7-0.4hg=7−0.4h, where gg represents the number of gallons and hh represents time in hours. What is the meaning of the gg-value when h=1h=1? The number of gallons of gas at time h=0h=0.
How long it takes Joseph to run out of gas.
The number of gallons in the tank after one hour.
The number of gallons in the tank when the trip ends.