Find the Domain and Range for the Indicated Function $f ( x ) = \frac { 1 } { x }$

Multiple Choice

Find the domain and range for the indicated function.
-If $f ( x ) = \frac { 1 } { x }$ and $g ( x ) = 7 x 6$ , find $g ( f ( x ) )$ .

A) $\frac { 1 } { x ^ { 6 } }$
B) $\frac { 7 } { x ^ { 6 } }$
C) $\frac { 1 } { 7 x ^ { 6 } }$
D) $\frac { 7 } { x }$