Find the Range of the Function $$f ( x ) = 7 - x ^ { 2 }$$

Multiple Choice

Find the range of the function.
- $$f ( x ) = 7 - x ^ { 2 }$$

A) $[ - \sqrt { 7 } , \sqrt { 7 } ]$
B) $[ 7 , \infty )$
C) $( - \infty , \infty )$
D) $( - \infty , 7 ]$