Solve the problem.Bob owns a watch repair shop. He has found that the cost of operating his shop is given by 
, where x is the number of watches repaired. What is his minimum cost?
A. $160
B. $260
C. $130
D. $80
Answer: D
Mathematics
You might also like to view...
For an election with 6 candidates (A, B, C, D, E, and F), we have the following preference schedule:
How many people voted in the election?
A. 6 B. 41 C. 81 D. 5 E. none of these
Mathematics
Factor the trinomial.36 - 13x + x2
A. (x - 4)(x - 9) B. (x - 4)(x + 9) C. (x - 36)(x - 1) D. (x + 4)(x + 9)
Mathematics
Factor by grouping.18r2 + 27ry - 2xr - 3xy
A. (2r + 3y)(9r - x) B. (2r + 3y)(x - 9r) C. (2r + 3y)(9x - r) D. (3r + 2y)(9r - x)
Mathematics
Round the whole number to the given place.6,332 to the nearest thousand
A. 6,100 B. 5,900 C. 7,000 D. 6,000
Mathematics