Write the Logarithmic Expression as a Single Logarithm with Coefficient $5 \log _ { b } y + 3 \log _ { b } z$

Multiple Choice

Write the logarithmic expression as a single logarithm with coefficient 1, and simplify as much as
possible.
- $5 \log _ { b } y + 3 \log _ { b } z$

A) $\log _ { b } \left( y ^ { 5 } z ^ { 3 } \right)$
B) $\log _ { b } \left( y ^ { 5 } + z ^ { 3 } \right)$
C) $8 \log _ { b } ( y + z )$
D) $15 \log _ { b } ( y z )$