Rew Rite as a Single Logarithm $\log _{b} x^{8}-2 \log _{b} \sqrt{x}$

Multiple Choice

Rew rite as a single logarithm. A ssume all variables represent positive real numbers.
- $\log _{b} x^{8}-2 \log _{b} \sqrt{x}$

A) $\log _{b} x^{7}$
B) $\frac{\log _{b} x^{8}}{\log _{b} x}$
C) $\log _{b}\left(x^{8}-x\right)$
D) $\log _{b} x^{9}$