Mathematics for IGCSE & O level - Functions (Section 4 - No. 11) | ExamPlay

Mathematics for IGCSE & O level - Functions (Section 4 - No. 11)

If f(x) = 3x-5, find f(f(x)).

9x - 20

9x - 10

9x+10

6x-10

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f(f(x)) = f(3x-5)

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