If $m ( x ) = x + 4$ And $n ( x ) = \frac { 1 } { x + 9 }$

question 6

Multiple Choice

If $m ( x ) = x + 4$ and $n ( x ) = \frac { 1 } { x + 9 }$ find the function value, if possible.
$( n \circ m ) ( - 9 )$

• A) \(- 5\)
• B) \(\frac { 1 } { 4 }\)
• C) 0
• D) Undefined