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Elena and Lin are training for a race. Elena runs her mile a constant speed of 7.5 miles per hour.
time (minutes) 1 2 3 4 5 6 7 8 9
distance (miles) 0.11 0.21 0.32 0.41 0.53 0.62 0.73 0.85 1
Who finished their mile first?
For these models, is distance a function of time? Is time a function of distance? Explain how you know.