H2 Mathematics (9758) Practice Questions - Singapore-Cambridge GCE Advanced Level Higher 2 Mathematics (Syllabus 9758) Exam

Given f(x) = x^2 + 1 and g(x) = 3x - 2, find the composite function fg(x), where fg means f applied after g.

9x^2 + 5 3x^2 + 1 9x^2 - 12x + 5 3x^2 - 1

Correct Answer:

9x^2 - 12x + 5

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