Solve the problem.Bob owns a watch repair shop. He has found that the cost of operating his shop is given by 
where C is cost and x is the number of watches repaired. How many watches must he repair to have the lowest cost?
A. 26 watches
B. 53 watches
C. 20 watches
D. 48 watches
Answer: D
You might also like to view...
Solve the application problem.The width of a rectangle is 6 meters less than twice its length. If its area is 108 square meters, find the dimensions of the rectangle.
A. length = 6 m, width = 6 m B. width = 9 m, length = 12 m C. length = 9 m, width = 12 m D. length = 3 m, width = 36 m
Simplify the complex fraction.
A. 
B. 
C. 
D. 
Solve for the missing values. Round money to the nearest cent, rate to the nearest tenth of a percent, and time to the nearest day.Principal: $3743Interest: 
Rate: 9.8%Time: 217 daysMaturity value: 
A. $208.03; $3951.03 B. $224.22; $3967.22 C. $228.13; $3971.13 D. $221.11; $3964.11
Evaluate the expression for the given value or values.x(9), for x = 3
A. 
B. 27
C. 
D. 12