Find the Domain $$f ( x ) = 7 x + 3$$

Multiple Choice

Find the domain.
- $$f ( x ) = 7 x + 3$$

A) $\{ x \mid x$ is a real number and $x \neq - 1 \}$
B) $\{ x \mid x$ is a real number and $x \neq - 0.33333333 \}$
C) $\{ x \mid x$ is a real number and $x \neq - 3 \}$
D) All real numbers