Determine the Domain and the Range of the Function $$f ( x ) = x ^ { 2 } - 6 x + 5$$

Determine the domain and the range of the function.
- $$f ( x ) = x ^ { 2 } - 6 x + 5$$

A) domain: all real numbers
B) domain: all real numbers range: {y|y ≤4} range: all real numbers
C) domain: {x|x ≥ -3}
D) domain: all real numbers range: {y|y ≥ -4} range: {y|y ≥ -4}