CPM Homework Banner

Sharilyn likes to exercise. When she goes to the gym she lifts weights and then does her cardio workout. To monitor the cardio part of her workout, Sharilyn uses a heart rate monitor. The graph to the right shows Sharilyn’s heart rate while she was on the treadmill.

  1. Approximately how many times did Sharilyn’s heart beat during her -minute workout?

    Approximate the area under the curve using a trapezoid.

  2. What was Sharilyn’s approximate average heart rate during her -minute workout?

    Divide your answer in part (a) by minutes.