December 13th, 2013, 03:17 PM  #1 
Member Joined: Feb 2013 Posts: 44 Thanks: 0  consumer/ supply surplus!
My professor reopened the homeoworks for my class which i can get a B if i do all of them! here's one that's giving me problems. The demand function for a certain make of replacement cartridges for a water purifier is given by the following equation where p is the unit price in dollars and x is the quantity demanded each week, measured in units of a thousand. P=.01x^2.1x+4 Determine the consumers' surplus if the market price is set at $2/cartridge. (Round your answer to two decimal places.) how do i do this? he closes them at 11pm tonight so there isn't much time! 

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consumer or, supply, surplus 
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