Expand a Ssume That All Variables Represent Positive Real Numbers $\log _{b}\left(\frac{x^{2}}{z^{9}}\right)$

Multiple Choice

Expand. A ssume that all variables represent positive real numbers.
- $\log _{b}\left(\frac{x^{2}}{z^{9}}\right)$

A) $\log _{b} x+2 \log _{b} y+9 \log _{b} z$
B) $\log _{b} x+2 \log _{b} y-9 \log _{b} z$
C) $\log _{b} \mathrm{x}+\log _{\mathrm{b}} \mathrm{y}^{2}+\log _{\mathrm{b}} \mathrm{z}^{9}$
D) $\log _{b} x+\log _{b} y^{2}-\log _{b} z^{9}$