IGCSE Additional Mathematics Practice Questions - Cambridge IGCSE Additional Mathematics (0606) Exam

Given f(x) = 2x + 1 and g(x) = x^2, find fg(x).

2x^2 + 1 (2x + 1)^2 2x^2 + 2x + 1 4x^2 + 4x + 1

Correct Answer:

2x^2 + 1

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