Question
When a factory operates from 6 AM to 6 PM, its total fuel consumption varies according to the formula f(t) = 1.1t 3 0.4t 0.5
When a factory operates from 6 AM to 6 PM, its total fuel consumption varies according to the formula
f(t)= 1.1t3 0.4t0.5 + 20, where t is the time in hours after 6 AM and f(t) is the number of barrels of fuel oil.
What is the rate of consumption of fuel at 9 AM? Round your answer to 2 decimal places.
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Calculus And Its Applications
Authors: David J Ellenbogen, Marvin L Bittinger
9th Edition
0321831144, 9780321831149
