State the Domain and Range of the Function $$f ( x ) = \frac { 5 } { 9 + e ^ { x } }$$

Multiple Choice

State the domain and range of the function.
- $$f ( x ) = \frac { 5 } { 9 + e ^ { x } }$$

A) domain: $( - \infty , \infty )$ ; range: $\left( 0 , \frac { 5 } { 9 } \right)$
B) domain: $( 0 , \infty )$ ; range: $( 0 , \infty )$
C) domain: $( - \infty , \infty )$ ; range: $( - \infty , \infty )$
D) domain: $( - \infty , \infty )$ ; range: $( 0,9 )$