Solve the problem.A volatile stock began the final week of the year worth x dollars per share. Then, during the course of trading that week, the stock's value doubled, lost 5 points, gained 16 points, lost 7 points, and finally lost half its value to close the year. Express, in symbolic form, the total value, V, of your stock at the end of the year if you own 70 shares.
A. V = 70(x + 4)
B. V = 70(2x + 2)
C. V = x + 2
D. V = 70(x + 2)
Answer: D
Mathematics
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A. 8k7q8 
B. 8k3q4 
C. 8q4 
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The population of the Earth is approximately 7 billion people and is growing at an annual rate of 2%. Assuming a Malthusian growth model, by what factor will the current population of the Earth increase in 50 years? Round to the nearest hundredths. ?
A. 19.03 B. 2.00 C. 7.00 D. 2.72 E. 7.72
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A. 
B. 
C. 
D. 
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