Tell whether the relation is a function.
A. Function
B. Not a function
Answer: A
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Refer to the weighted voting system 
and the Banzhaf definition of power. (The four players are P1, P2, P3, and P4.)Which players in the coalition {P1, P2, P3, P4} are critical?
A. All four players B. P1 only C. P1 and P2 D. None of the players E. none of these
Solve the problem.It has been determined that the number of fish f(t) that can be caught in t minutes in a certain pond using a certain bait is f(t) = 0.28t + 1, for t > 10. Find and interpret f(11). Round your answer to the nearest whole number.
A. 4; Approximately 11 fish can be caught in this pond with this bait in 4 minutes. B. 9; Approximately 9 fish can be caught in this pond with this bait in 11 minutes. C. 9; Approximately 11 fish can be caught in this pond with this bait in 9 minutes. D. 4; Approximately 4 fish can be caught in this pond with this bait in 11 minutes.
Plot the relation in the xy-plane.{(10, 35), (-35, -20), (40, 15), (-57, -20), (-10, 64)}
A. 
B. 
C. 
D. 
Solve the problem.BJ can overhaul a boat's diesel inboard engine in 20 hours. His apprentice takes 60 hours to do the same job. How long would it take them working together assuming no gain or loss in efficiency?
A. 80 hr B. 15 hr C. 6 hr D. 12 hr