Evaluate the Radical Function at the Given Value of the Variable

question 68

Multiple Choice

Evaluate the radical function at the given value of the variable.
- $$f ( x ) = \sqrt { 2 - 4 x }$$

• A) \(\left( - \infty , \frac { 1 } { 2 } \right)\)
• B) \(\left( - \infty , \frac { 1 } { 2 } \right]\)
• C) \(\left[ - \frac { 1 } { 2 } , \infty \right)\)
• D) \(\left[ \frac { 1 } { 2 } , \infty \right)\)

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