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Topic:  Thanks Ycc...but... 
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Subject:  Thanks Ycc...but... 
Author:  DUB 
Date:  Aug 1 2004 
Thanks YCC.
Can you help on these two as well?
 Suppose you have a lemonade stand, and when you charge $1 per cup of lemonade
aide you sell 60 cups. But when you raise your price to $2 you only sell 30
cups.
Write an equation for the number of cups you sell as a function of the price you
charge. Denote "C" for number of cups, and "P" for the price you charge.
Assume the function is linear.
 Take a look at the table below and write out an equation for f(x).
x 2 1 0 1 2
f(x) 5 2 1 4 7
 
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