The total distance traveled by a runner, a swimmer, and a biker during a race is shown in each table below, where x represents the time (in minutes), and y represents the distance, in meters. Which athlete maintained a consistent speed (modeled by a linear function)? Write an equation that represents that athlete’s distance as a function of time. Runner Time: (minutes) 2, 5, 8, 11, 14, 17, 20: Distance (meters) 375, 937.5, 1500, 2062.5, 2625, 3187.5, 3750.
Biker Time: (minutes) 1, 2, 3, 4, 5, 6, 7: Distance (meters) 200, 550, 850, 1100, 1300, 1450, 1550.
Swimmer Time: (minutes) 2, 4, 6, 8, 10, 12, 14: Distance (meters) 100, 200, 250, 300, 350, 400, 500.