Find the consumers' surplus at a price level of $4 for the price-demand equation p=D(x)=40−0.6x where p is the price and x is the demand. Do not include a dollar sign or any commas in your answer.

Algebra and Trigonometry (MindTap Course List)
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ISBN:9781305071742
Author:James Stewart, Lothar Redlin, Saleem Watson
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Chapter2: Functions
Section2.4: Average Rate Of Change Of A Function
Problem 4.2E: bThe average rate of change of the linear function f(x)=3x+5 between any two points is ________.
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Find the consumers' surplus at a price level of $4 for the price-demand equation

p=D(x)=40−0.6x

where p is the price and x is the demand. Do not include a dollar sign or any commas in your answer.

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