A study on worldwide oil use was prepared for a major oil company. The study predicted that the amount of oil used to fuel productivity in a certain country is given by
?
?
where f (t) denotes the number of barrels per $1,000 of economic output and t is measured in decades (
corresponds to 1965). Compute f '(0) and f ?'(2).
?
Round the answer to the nearest hundredth.
?
A. 
?
B. ?
?
C. ?
?
D. ?
?
E. ?
?
Answer: B
Mathematics
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