This question practices evaluating square root functions f(x) = √(x + 1) at x = 3.
\( \text{Given the function } f(x) = \sqrt{x + 1}, \text{ find the value of } f(3). \)
Choose one option:
Check the addition and square root carefully.
Compute 3 + 1, then take the square root to get the result.
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