If f(x) = 3x + 2 and g(x) = x² − 1, find (fg)(x).

University of Ilorin MTH102 2026-test past question

1. 3x³ + 2x² − 3x − 2
2. 3x² + 2x − 1
3. 3x³ + 3x² − 3x − 2
4. 3x² + 3x − 2

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