The price of a certain item is given by the equation p= 240 – 0.05x where x is the number of items being sold and p is the unit price (in dollars). Find the marginal revenue function and use it to approximate the revenue realized from the sale of the 81st item. Hint: remember that the revenue function is given by R (x) = pa %3D Type your answer (just the number) in the space below. The revenue realized from the sale of the 81st item is approximately dollars.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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The price of a certain item is given by the equation
p= 240 – 0.05x
where x is the number of items being sold and p is the unit price (in dollars). Find the
marginal revenue function and use it to approximate the revenue realized from the sale
of the 81st item.
Hint: remember that the revenue function is given by
R (x) = px
%3D
Type your answer (just the number) in the space below.
The revenue realized from the sale of the 81st item is approximately
dollars.
Transcribed Image Text:The price of a certain item is given by the equation p= 240 – 0.05x where x is the number of items being sold and p is the unit price (in dollars). Find the marginal revenue function and use it to approximate the revenue realized from the sale of the 81st item. Hint: remember that the revenue function is given by R (x) = px %3D Type your answer (just the number) in the space below. The revenue realized from the sale of the 81st item is approximately dollars.
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