Express as a sum of logarithms.log2 xy

A. log1 x - log1y
B. log2 x - log2 y
C. log1 x + log1 y
D. log2 x + log2 y


Answer: D

Mathematics

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A.
B.
C.
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Set up an equation that can be used to solve the problem. Solve the equation and answer the question asked. A retired couple has $190,000 to invest to obtain annual income. They want some of it invested in safe certificates of deposit yielding 6%. The rest they want to invest in AA bonds yielding 12% per year. How much should they invest in each to realize exactly $19,800 per year?

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Mathematics