Single Answer MCQ
Q-00051608
Find the domain of the function f(x) = √(x - 4).
1
(-∞, ∞)
2
[4, ∞)
3
[-4, 4]
4
(4, ∞)
Answer and Solution
Answer
B. [4, ∞)
Solution:
The square root function is only defined for non-negative values, hence x - 4 must be ≥ 0, leading to the domain [4, ∞).
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