Solve.A population is growing at a rate proportional to its size. If the population is 126,000 initially and 193,000 after 12 years, how long will it take the population to double?
A. 21.3 years
B. 19.5 years
C. 18.1 years
D. 20.3 years
Answer: B
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Answer the question about the given function.Given the function f(x) = x2 + 4x - 45, list the x-intercepts, if any, of the graph of f.
A. (-9, 0), (1, 0) B. (9, 0), (5, 0) C. (9, 0), (-5, 0) D. (-9, 0), (5, 0)
Draw the angle having the given radian measure.
A. 
B. 
Solve the problem.A tightrope walker located at a certain point deflects the rope as indicated in the figure. If the weight of the tightrope walker is 100 pounds, how much tension is in each part of the rope? Round your answers to the nearest tenth. 
A. tension in the left part: -140.9 lb; tension in the right part: -105.2 lb B. tension in the left part: -318.7 lb; tension in the right part: 296.8 lb C. tension in the left part: -236.7 lb; tension in the right part: 220.4 lb D. tension in the left part: -160.6 lb; tension in the right part: -120.0 lb
Factor the polynomial completely.25x2 - 16
A. (5x + 4)(5x - 4) B. (5x - 4)2 C. (25x + 1)(x - 16) D. (5x + 4)2