Question

tell me answer please i want correct answer urgent if dont know dont answer known member answer​

Answer 1

Answer:

Domain of f(x) is x ∈ [-1,2].

Step-by-step explanation:

Given: f(x) = $\sqrt{\frac{4-x^{2}}{[x]+2}}$

⇒ $\frac{4-x^{2}}{[x]+2} \geq 0$ and [x]+2 ≠ 0

⇒ 4-x²≥0 and [x]+2>0

⇒ x∈[-2,2] and x∈[-1,∞)

⇒ x ∈ [-1,2]

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