Find the domain of the rational expression.
-$f ( x ) = \frac { 4 x } { - 7 - x }$
A) $\{ x \mid x$ is a real number and $x \neq 0 \}$
B) $\{ x \mid x$ is a real number and $x \neq - 7 \}$
C) $\{ x \mid x$ is a real number and $x \neq 0 , x \neq 7 \}$
D) $\{ x \mid x$ is a real number and $x \neq 7 \}$

Question

Quizplus · Accepted Answer

The Answer is B

Find the Domain of the Rational Expression f(x)=4x−7−xf ( x ) = \frac { 4 x } { - 7 - x }f(x)=−7−x4x​

Find the Domain of the Rational Expression $f ( x ) = \frac { 4 x } { - 7 - x }$