Marshall and Graham both lift a 50 lb. weight. Graham lifts his weight in 5 seconds. Marshall takes 7 seconds. Which of the foll
1 answer:
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For this case we have the following functions:
By definition of composition of functions we have to:
So:
By definition of division of powers of the same base we have to place the same base and subtract the exponents:
ANswer:
Hope this helps.