A manufacturer of tennis rackets finds that the total cost 
(in dollars) of manufacturing 
rackets/day is given by 
varid="variable_id_field" variablename="impvar_001f8442ab30463f868e8f766" />. Each racket can be sold at a price of 
dollars, where 
is related to 
by the demand equation 
. ?
If all rackets that are manufactured can be sold, find the daily level of production that will yield a maximum profit for the manufacturer.
?
A. 5,000 rackets/day
B. 4,000 rackets/day
C. 7,000 rackets/day
D. 6,000 rackets/day
Answer: B
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Use the graph to answer the question.
Identify the utility that reaches its greatest percentage of the total bill in April.
A. Electric B. Gas C. Water D. None of the utilities reaches its greatest percentage in April.
Subtract in the indicated base.
A. 1435 B. 2445 C. 1445 D. 1045
Round each number to the nearest hundred to estimate the sum or difference.9578 - 2135
A. 7400 B. 7500 C. 7000 D. 7443
Solve the equation by the square root property. If possible, simplify radicals or rationalize denominators. Express imaginary solutions in the form 
6x2 = 96
A. {0}
B. {±4
}
C. {±4}
D. {±6}