Mathematics for IGCSE & O level - Functions (Section 1 - No. 28) | ExamPlay

Mathematics for IGCSE & O level - Functions (Section 1 - No. 28)

f(x) = x^2. Find f(2) + g(2) if g(x)=x-1

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5

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Vysvětlení

f(2)=2^2=4, g(2)=2-1=1, then f(2)+g(2)=4+1=5

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