Your on-line bookstore is in direct competition with Amazon.com, BN.com, and Borders.com. Your company's daily revenue in dollars is given by
?
?
where x, y, and z are the online daily revenues of Amazon.com, BN.com, and Borders.com, respectively. If Amazon.com and BN.com each show a daily revenue of $1,000, give an equation showing how your daily revenue depends on that of Borders.com.
?
A. R (z) = 24,960 + 0.04z
B. R (z) = 25,000 - 20x - 20y - 0.01z + 0.00005yz
C. R (z) = 25,000 - 0.01z
D. R (z) = 24,960
E. R (z) = 25,000 - 0.01z + 0.00005z
Answer: A
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- 50. Describe the transformations needed to obtain the graph of this function from the graph of p = 
.
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