Solve the problem.An appliance manufacturer has determined that the cost, in dollars, of producing x espresso makers is given by x0.5. If the revenue from the sale of x espresso makers is given by  find the rate at which the average profit per espresso maker is changing when 40 espresso makers have been made and sold. Round to the nearest cent.

A. -$2.52/espresso maker
B. $2.52/espresso maker
C. $2.24/espresso maker
D. -$2.24/espresso maker


Answer: C

Mathematics

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Mathematics