For the Given Functions F and G, Find the Requested $f ( t ) = \sqrt { t ^ { 4 + 18 t ^ { 2 } + 81 } } , \quad g ( t ) = \frac { t + 3 } { 3 } ; \quad$

Multiple Choice

For the given functions f and g, find the requested composite function value.
- $f ( t ) = \sqrt { t ^ { 4 + 18 t ^ { 2 } + 81 } } , \quad g ( t ) = \frac { t + 3 } { 3 } ; \quad$ Find $( f \circ g ) ( 9 )$ .

A) 25
B) 360
C) 31
D) 625