You can put this solution on YOUR website! sqrt(x) / x+1
What is the average rate of change of f between x = 6 and x = 10?
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aver rate = [f(10)-f(6)]/[10-6 = [sqrt(10)/11 - sqrt(6)/7]/4
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= [7sqrt(10)-11sqrt(6)]/(77*4)
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Cheers,
Stan H.
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