Solve the problem.The number of quarters needed to double an investment when a lump sum is invested at 10%, compounded quarterly, is given by n = log1.025 2. Use the change of base formula to find n, rounded to the nearest tenth.

A. 28.1 quarters
B. 24.1 quarters
C. 31.1 quarters
D. 33.1 quarters

Answer: A

Mathematics

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A. -2sin-1 - x2 + C
B. 4 sin-1 -   + C
C. 4 sin-1 - x  + C
D.   - 2 ln  + C

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Evaluate the integral using the given substitution. dx , u = 3x - 1

A. - 3(3x - 1)-2 + C
B. (3x - 1)-2 + C
C. - (3x - 1)-2 + C
D. - (3x - 1)-4 + C

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Use the power rules for exponents to simplify. Write the answer in exponential form.(-24)6

A. - 210 B. - 224 C. 210 D. 224

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Find the volume of the composite figure. Round to the nearest hundredth if necessary.Cube on rectangular solid

A. 30 ft3 B. 659 ft3 C. 660 ft3 D. 661 ft3

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Mathematics