Q2 of 118 Page 3

Find the domain of each of the following real valued functions of real variable:


We know the square of a real number is never negative.


Clearly, f(x) takes real values only when x – 2 ≥ 0


⇒ x ≥ 2


∴ x ∈ [2, ∞)


Thus, domain of f = [2, ∞)


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Find the domain of each of the following real valued functions of real variable:

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