Expand Assume That All Variables Represent Positive Real Numbers $\log _ { b } \left( \frac { x y ^ { 8 } } { z ^ { 7 } } \right)$

question 9

Multiple Choice

Expand. Assume that all variables represent positive real numbers.
- $\log _ { b } \left( \frac { x y ^ { 8 } } { z ^ { 7 } } \right)$

• A) \(\log _ { b } x + \log _ { b } y ^ { 8 } - \log _ { b } z ^ { 7 }\)
• B) \(\log _ { \mathrm { b } } x + 8 \log _ { \mathrm { b } } \mathrm { y } - 7 \log _ { \mathrm { b } } z\)
• C) \(\log _ { b } x + 8 \log _ { b } y + 7 \log _ { b } z\)
• D) \(\log _ { b } x + \log _ { b } y ^ { 8 } + \log _ { b } z ^ { 7 }\)

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