Evaluate the Radical Function at the Given Value of the Variable

question 54

Multiple Choice

Evaluate the radical function at the given value of the variable.
- $$f ( x ) = \sqrt { 4 x + 9 }$$

• A) \(\left( \frac { 9 } { 4 } , \infty \right)\)
• B) \(\left( - \frac { 9 } { 4 } , \infty \right)\)
• C) \(\left[ - \frac { 9 } { 4 } , \infty \right]\)
• D) \(\left( - \infty , - \frac { 9 } { 4 } \right)\)

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