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. 29 watches
B. 40 watches
C. 20 watches
D. 59 watches
Answer: B
Mathematics
You might also like to view...
Find the volume of the solid generated by revolving the region R bounded by the graphs of the given equations about the y-axis.bounded by the circle x2 + y2 = 16, by the line 
, and by the line y = 4
A. 
?
B. 
?
C. 64?
D. 16?
Mathematics
Simplify. Assume that all variables represent nonnegative numbers.
? 
A. 
B. 3h
C. h
D. 3
Mathematics
Make an approximate conversion as indicated. Round to the nearest tenth. The precise value of your approximation will depend on the conversion path that you choose.0.75 kg = 
oz
A. 33.8 ounces B. 1.7 ounces C. 26.4 ounces D. 16.5 ounces
Mathematics
Solve the linear system by using an inverse matrix.
A. {(-2, -3, 3)} B. {(2, 3, 5)} C. {(2, -3, 1)} D. ?
Mathematics