Find the Domain of F $$f ( x ) = \sqrt { 9 x + 4 }$$

question 7

Multiple Choice

Find the domain of f.
- $$f ( x ) = \sqrt { 9 x + 4 }$$

• A) \(\left\{ x \mid x \leq - \frac { 4 } { 9 } \right\}\)
• B) \(\left\{ x \mid x \geq \frac { 4 } { 9 } \right\}\)
• C) \(\left\{ x \mid x > - \frac { 4 } { 9 } \right\}\)
• D) \(\left\{ x \mid x \geq - \frac { 4 } { 9 } \right\}\)

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