The function rule to represent the total calories burned, y, over time, x, by that person is:
y = 485 * x
where x is the number of hours spent riding an exercise bicycle at a rate of 18 mi/hr.
The information in the problem states that the person weighs 175 lbs and burns 485 calories per hour while riding the exercise bicycle at a rate of 18 mi/hr. This information is used in the function rule to calculate the total calories burned over time. For example, if the person rides the exercise bicycle for 2 hours, the total calories burned would be:
y = 485 * 2 = 970
Therefore, the person would burn 970 calories in total over the 2-hour period.
A 175-lb person burns 485 calories per hour riding an exercise bicycle at a rate of 18 mi/hr. Write a function rule to represent the total calories burned, y, over time, x, by that person. Explain how the information in the problem relates to the function.
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