Riley is training to run a 5-mile race. The graph represents the distance (miles) she ran with respect to time (minutes) in her first training run. Over which time interval did she run the fastest, [0,8] or [2,11] ? Justify your answer in 1–2 sentences. (2 points)
Riley ran the fastest over the time interval [2, 11]. This is because during this interval, her distance covered increased at a faster rate compared to the interval [0, 8].
