The domain of f(x) = sin⁻¹(2x − 1) is:
The domain of f(x) = sin⁻¹(2x − 1) is:
- A. [0, 1]
- B. [−1, 1]
- C. [−1/2, 1/2]
- D. [0, 2]
Answer: A) [0, 1]
Explanation: For sin⁻¹(y), y ∈ [−1, 1]. So −1 ≤ 2x − 1 ≤ 1 → 0 ≤ 2x ≤ 2 → 0 ≤ x ≤ 1. Domain is [0, 1].
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