Find the ending balance in the account register.
A. $3253.02
B. $4109.16
C. $2631.41
D. $5590.68
Answer: A
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Solve the problem.A town has a population of 20,000 people and is increasing by 10% every year. What will the population be at the end of 4 years?
A. 29,282 people B. 9282 people C. 28,000 people D. 26,620 people
The quantity demanded each month of the Walter Serkin recording of Beethoven's Moonlight Sonata, manufactured by Phonola Record Industries, is related to the price/compact disc. The equation 
, where
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is the number of discs demanded, relates the demand to the price.
?
The total monthly cost (in dollars) for pressing and packaging
copies of this classical recording is given by 
.
?
To maximize its profits, how many copies should Phonola produce each month? Hint: The revenue is 
, and the profit is 
.
?
__________ copies
Fill in the blank(s) with the appropriate word(s).
The augmented matrix of a system of equations has been transformed to an equivalent matrix in row-echelon form. If the system is consistent, then give the solution. If it is not, then state that it is inconsistent.
A. (2, 5) B. (5, 2) C. (4, - 2) D. Inconsistent
Sketch the graph from 
to 
.
?
?
A. ?
?
B. ?
?
C. ?
D. ?
E. ?
