Graph the Function on Your Calculator to Determine the Domain $$r ( x ) = \sqrt { x + 6 }$$

Multiple Choice

Graph the function on your calculator to determine the domain and range from the graph.
- $$r ( x ) = \sqrt { x + 6 }$$

A) Domain: $[ - 6 , \infty )$ ; range: $[ 0 , \infty )$
B) Domain: $[ - 6 , \infty )$ ; range: $( - \infty , \infty )$
C) Domain: $[ 0 , \infty )$ ; range: $[ - 6 , \infty )$
D) Domain: $( - 6 , \infty )$ ; range: $( 0 , \infty )$