Find the Domain of the Rational Function $f ( x ) = \frac { - 7 } { 5 x + 4 }$

question 139

Multiple Choice

Find the domain of the rational function.
$f ( x ) = \frac { - 7 } { 5 x + 4 }$

• A) \(\{ x \mid x \text { is a real number and } x \neq 0 \}\)
• B) \(\left\{ x \mid x \text { is a real number and } x \neq \frac { 4 } { 5 } \right\}\)
• C) \(\left\{ x \mid x \text { is a real number and } x z - \frac { 4 } { 5 } \right\}\)
• D) \(\{ x \mid x \text { is a real number and } x \neq 7 \}\)

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