Solve.During a five-year period, a company doubles its profits each year. If the profits at the end of the fifth year are $160,000, then what are the profits for each of the first four years?
A. $10,000, $20,000, $40,000, $100,000
B. $10,000, $20,000, $30,000, $40,000
C. $10,000, $20,000, $40,000, $80,000
D. $11,000, $22,000, $44,000, $86,000
Answer: C
Mathematics
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B. 4f2 + 8f + 4 + 
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