Question

The graph below represents the heart rate of Kelly as she exercises at the local YMCA. She exercises for 45 minutes in a Cross Fit class. Use this graph to answer the questions below.,m

1. During which time period is Kelly's heart rate increasing? (1 point)


2. Using math, determine the exact rate of change for the increase (warm‐up). Explain how you got your answer. (3 points; 1 point for answering the question, 2 points for explaining your answer)


3. During which time period did Kelly's heart rate remain constant? (1 point)


4. Using math, determine the exact rate of change for this time period. Explain how you got your answer. (3 points; 1 point for answering the question, 2 points for explaining your answer)


5. During which time period did Kelly's heart rate decrease? (1 point)


6. Using math, determine the exact rate of change for the decrease (cool down). Explain how you got your answer. (3 points; 1 point for answering the question, 2 points for explaining your answer)


7. Explain why your rate of change for the cool down period was a negative value. (2 points)

Answer 1

Answer:1. 15 to 40

2. 2m /sec

3. 30 40

5. 35-45

6.  1.5 m/sec

7. decrease

Step-by-step explanation:

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