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Describe any trends in the graph. (See Example 3.)
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Here are some trends you may notice in the graph.
- The upper and lower limits for the target heart rate zone decrease over time.
- The difference between the upper and lower limits for the target heart zone decrease over time.
- The two trends described above are also true for the fat burning zone, which is part of the target heart zone.
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Is a 25-year-old with a heart rate of 150 beats per minute in the target heart rate zone? (See Example 3.)
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Use the graph to determine whether a 42-year-old with a heart rate of 130 beats per minute is in the fat burning zone. (See Example 3.)
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From the graph, you can see that a 42-year-old with a heart rate of 130 beats per minute is not in the fat burning zone.
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Is a 40-year-old with a heart rate of 110 beats per minute in the fat burning zone? (See Example 3.)
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You have the following information about a woman.
Weight: 121 pounds
Height: 64 inches
Age: 24 years old
Activity level: moderately active
Daily calorie intake: 1500 calories
Determine whether you would expect the woman to be losing weight or gaining weight. Explain your reasoning. (See Example 4.)
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Using a spreadsheet, you can see that the woman should be losing weight.
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You have the following information about a man.
Weight: 154 pounds
Height: 68 inches
Age: 26 years
Activity level: lightly active
Daily calorie intake: 3000 calories
Determine whether you would expect the man to be losing weight or gaining weight. Explain your reasoning. (See Example 4.)
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