Use the figure below to answer the following question(s).
The nearest-neighbor tour with starting vertex D is uniquely D, E, A, B, C, D

A. only if x > 9.
B. only if x > 4.
C. only if x > 5.
D. only if x > 1.
E. regardless of the value of x.

Answer: D

Mathematics

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Factor completely. If unfactorable, indicate that the polynomial is prime.x2 - 16x + 256

A. (x + 16)(x - 16) B. prime C. (x - 16)2 D. (x + 16)2

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Mathematics

Solve the problem.To remodel a bathroom, a contractor charges $25 per hour plus material costs, which amount to $3900. Therefore, the total cost to remodel the bathroom is given by where x is the number of hours the contractor works. Find a formula for What does compute?

A. f^-1(x) =  - 156; This computes the total cost if the contractor works x hours.
B. f^-1(x) =  - 3900; This computes the number of hours worked if the total cost is x dollars.
C. f^-1(x) =  - 156; This computes the number of hours worked if the total cost is x dollars.
D. f^-1(x) =  - 3900; This computes the total cost if the contractor works x hours.

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Mathematics

Solve the problem.It is estimated that the total value of a stamp collection is given by the formula where t is the number of years from now. If the inflation rate is running continuously at 4% per year so that the (discounted) present value of an item that will be worth $v in t years' time is given by Sketch the graph of the discounted value as a function of time at which the stamp collection is sold. The graph has an absolute maximum at (0, 41,200), and a local maximum at one other point. What is the value of t at the local maximum? What is the discounted

value of the collection at that time?

A. ; at which time the discounted value is .
B. ; at which time the discounted value is .
C. ; at which time the discounted value is .
D. ; at which time the discounted value is .