Assume that the demand function for a certain commodity has the form
?
?
where x is the quantity demanded, measured in units of a thousand, and p is the unit price in dollars. Suppose the quantity demanded is 4,000 (x = 4) when the unit price is $7.00 and 7,000 (x = 7) when the unit price is $4.00. Determine the demand equation.
?
A. ?
B. 
C. 
D. 
E. 
Answer: D
Mathematics
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A. (a) 8; (b) - 
B. (a) 
; (b) - 8
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What will be an ideal response?
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A. vertices: 
center: 
B. vertices: 
center: 
C. vertices: 
center: 
D. vertices: 
center: 
E. vertices: 
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