Posted by Cody on Sunday, November 15, 2009 at 6:13pm.
The Sweet Drip Beverage C. sells cans of soda pop in machines. It finds that sales average 26000 cans per month when the cans sell for 50cents each. For each nickel increase in the price, the sales per month drop by 1000 cans.
Determine a function R(x) that models the total revenue realized by Sweet Drip, where x is the number of $0.05 increases in the price of a can.

PreCalc  drwls, Sunday, November 15, 2009 at 6:18pm
Sales S (in cans/month)
= 26000  1000 x
where P is the price in cents.
Revenue R = S*P = 26,000 

PreCalc  drwls, Sunday, November 15, 2009 at 6:21pm
Sales S (in cans/month)
= 26000  1000 x
Price P = 50 + 5x
Monthly Revenue R = S*P
= (26,000  1000x)(50 + 5x)
Multiply it out.
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