Question

The graph shows Elizabeth's speed during a 55-minute run. Elizabeth's Run 7 Speed (mph) Time (minutes) During which time interval did Elizabeth's speed increase? Select one o 5 to 10 minutes O 25 to 30 minutes O 15 to 25 minutes O O to 5 minutes

Answer 1

Elizabeth's speed increased during the 0 to 5 minute interval

This interval shown on the graph is indicated by the rising line on the vertical axis (y-axis).

The x-axis shows the time intervals graded in 5-minute intervals. the other options shows a flat line (no change in speed) and a downward line (reduction in speed).

The 0 to 5 minute period of her run however is a rising line which means incresing speed.