The profit in dollars from the sale of x expensive watches is P(x) = 0.09x² -5x+5x0.8-4400. Find the marginal profit when (a) x=400, (b)x=2000, (c) x=6000, and (d) x = 10,000. (a) When x = 400, the marginal profit is $. (Round to the nearest integer as needed.)

Advanced Engineering Mathematics
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Chapter2: Second-order Linear Odes
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- 4400.
The profit in dollars from the sale of x expensive watches is P(x) = 0.09x² -5x + 5x 0.8
Find the marginal profit when (a) x=400, (b)x=2000, (c) x=6000, and (d) x = 10,000.
(a) When x=400, the marginal profit is $
(Round to the nearest integer as needed.)
Transcribed Image Text:- 4400. The profit in dollars from the sale of x expensive watches is P(x) = 0.09x² -5x + 5x 0.8 Find the marginal profit when (a) x=400, (b)x=2000, (c) x=6000, and (d) x = 10,000. (a) When x=400, the marginal profit is $ (Round to the nearest integer as needed.)
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