Multiple Choice
Government economists of a developing country determined that the purchase of imported perfume is related to a proposed "luxury tax" by the formula ,
, where N(x) measures the percentage of normal consumption of perfume when a "luxury tax" of x% is imposed on it. Find the rate of change of N(x) for a tax of 70%.
A)
B)
C)
D)
Correct Answer:

Verified
Correct Answer:
Verified
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