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, ∞)
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, ∞)