bicycle riders start a race at the same time. The functions f(x) and g(x) give the distance in miles that each rider has traveled after x hours of riding. What does f(2)- g(2) = 5 mean in this context?A The riders are 2 miles apart 5 hours after the race starts.B The riders are 5 miles apart 2 hours after the race starts.C Both riders travel 2 miles in the first 5 hours of the race.D Both riders travel 5 miles in the first 2 hours of the race.