The oxygen consumption (in milliliter/pound/minute) for a person walking at x mph is approximated by the function
?
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where the oxygen consumption for a runner at x mph is approximated by the function
?
?
At what speed is the oxygen consumption the same for a walker as it is for a runner? What is the level of oxygen consumption at that speed?
?
A. 3.1 mph, 100.6 mL/lb/min
B. 7.6 mph, 95.6 mL/lb/min
C. 4.6 mph, 65.6 mL/lb/min
D. 5.6 mph, 75.6 mL/lb/min
E. 7.1 mph, 90.6 mL/lb/min
Answer: D
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