What is the domain of the function (x + 3)/(x² − 3x)?

Lagos State University MAT102 2025 past question

1. x ∈ (−∞, ∞)
2. x ∈ (−∞, 0) ∪ (0, 3) ∪ (3, ∞)
3. x ∈ (∞, 3) ∪ (3, 0) ∪ (0, ∞)
4. x ∈ (−∞, −3) ∪ (0, 3) ∪ (3, ∞)

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