Choose the One Alternative That Best Completes the Statement or Answers

Multiple Choice

Choose the one alternative that best completes the statement or answers the question.
Use the product property of logarithms to write the logarithm as a sum of logarithms. Then simplify if
possible.
- $\log _ { 9 } ( x y )$

A) $\log _ { 9 } x + \log _ { 9 } y$
B) $\log _ { 9 } x - \log _ { 9 } y$
C) $\left( \log _ { 9 } x \right) \cdot y$
D) $\log _ { 9 } x \times \log _ { 9 } y$