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QUESTION
The profit in dollars from the sale of x expensive watches is P (x)=0.02x 2 2x+5x 0.3 4600.
The profit in dollars from the sale of x expensive watches is P(x)=0.02x2−2x+5x0.3−4600.
Find the marginal profit when (a) x=500, (b) x=2000, (c) x=6000, and (d) x= 12,000 [Round to the nearest integer as needed.]
