Solve the problem.Find out how long it takes a $2900 investment to double if it is invested at  compounded semiannually. Round to the nearest tenth of a year. Use the formula .

A. 9.9 yr
B. 10.5 yr
C. 10.3 yr
D. 10.1 yr


Answer: D

Mathematics

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Solve the problem.Find any local extrema (maxima, minima, or saddle points) of    given that   and  

A. Local minimum at 
B. Local maximum at 
C. Saddle point at  
D. Saddle point at  

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Find an angle between 0° and 360° that is coterminal with the angle. Then write all coterminal angles.1295°

A. 125°; 125° + n ? 360°, n any integer B. 35°; 35° + n ? 360°, n any integer C. 575°; 575° + n ? 360°, n any integer D. 215°; 215° + n ? 360°, n any integer

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Determine whether the geometric series converges or diverges. If it converges, find its sum.

Mathematics

Find the expected value of the optimal strategy.A college is holding a rock and roll concert to be held in the stadium and has sold out all tickets. If it rains, the show will have to be moved to the gym which has a smaller seating capacity. The college must decide in advance whether to set up seats and the stage in the gym, or in the stadium, or both, just in case. The net profit in each case is given in the payoff matrix below:RainNo RainAccording to the weather forecaster, the probability of rain is 0.15. What is the maximum expected profit?

A. $1723 B. $1260 C. $750 D. $1585

Mathematics