For the Pair of Functions, Find the Indicated Sum, Difference $f ( x ) = x ^ { 2 } - 1 , g ( x ) = 9 x + 1$

Multiple Choice

For the pair of functions, find the indicated sum, difference, product, or quotient.
- $f ( x ) = x ^ { 2 } - 1 , g ( x ) = 9 x + 1$
Find $( f / g ) \left( - \frac { 1 } { 9 } \right)$

A) $\frac { 1 } { 2 }$
B) 0
C) does not exist
D) $- \frac { 2 } { 3 }$