Find the Domain and Range of the Function $$f ( x ) = x ^ { 2 } + 4$$

Multiple Choice

Find the domain and range of the function.
- $$f ( x ) = x ^ { 2 } + 4$$

A) Domain: $( - 4 , \infty )$ ; range: $( - \infty , \infty )$
B) Domain: $( - \infty , \infty )$ ; range: $( - 4 , \infty )$
C) Domain: $( 4 , \infty )$ ; range: $( - \infty , \infty )$
D) Domain: $( - \infty , \infty )$ ; range: $[ 4 , \infty )$