Find the Domain of the Function $f ( x ) = x ^ { 2 } + 6$

Short Answer

Find the domain of the function.
- $f ( x ) = x ^ { 2 } + 6$
A) $\{ x \mid x \neq - 6 \} , \text { or } ( - \infty , - 6 ) \cup ( - 6 , \infty )$
B) $\{ x \mid x > - 6 \} , \text { or } ( - 6 , \infty )$
C) $\{ x \mid x \geq - 6 \} \text {, or } [ - 6 , \infty )$
D) all real numbers, or $( - \infty , \infty )$