Solve the problem. Suppose that a $200 investment earns interest compounded semiannually. Express the value of the investment after 2 years as a polynomial in the annual rate of interest r.

A. A = (16r4 + 32r3 + 24r2 + 8r + 1)
B. A = 200(16 + 32r + 24r2 + 8r3 + r4)
C. A = (16 + 32r + 24r2 + 8r3 + r4)
D. A = (8 + 16r + 12r2 + 4r3 + r4)


Answer: C

Mathematics

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