Suppose that the number of units of a good produced z is given by 
, where x is the number of machines working properly and y is the average number of work hours per machine. Find the production for a week in which 9 machines are working properly and the average number of work hours per machine is 35. Round your answer to the nearest whole number.
?
A. 11,025 units
B. 4,410 units
C. 126 units
D. 1,134 units
E. 17,150 units
Answer: B
Mathematics
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? 
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? 
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