Find the Derivative of the Function $y=\ln |-9 x|$ A) $-\frac{1}{x}$ B) $-\frac{1}{9 x}$

Multiple Choice

Find the derivative of the function.
- $y=\ln |-9 x|$

A) $-\frac{1}{x}$
B) $-\frac{1}{9 x}$
C) $\frac{1}{9 x}$
D) $\frac{1}{x}$