Find the Domain of the Square Root Function $$f ( x ) = \sqrt { 64 - 8 x }$$

question 15

Multiple Choice

Find the domain of the square root function. Then use the domain to choose the correct graph of the function.
- $$f ( x ) = \sqrt { 64 - 8 x }$$

• A) domain of \(f : [ 8 , \infty )\)
• B) domain of \(\mathrm { f } : [ - 8 , \infty )\)
• C) domain of \(f : ( \infty , - 8 ]\)
• D) domain of \(\mathrm { f } : ( \infty , 8 ]\)

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