$$\text { Evaluate (if possible) the function } f ( x ) = \sqrt { x - 5 } \text { at } x = 9 \text {. Simplify the result. }$$

question 79

Multiple Choice

$$\text { Evaluate (if possible) the function } f ( x ) = \sqrt { x - 5 } \text { at } x = 9 \text {. Simplify the result. }$$

• A) 3
• B) 2
• C) \(- 2\)
• D) 4
• E) undefined

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