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Mathematics for IGCSE & O level - Functions (Section 4 - No. 30)

If f(x) = 2x+1 and g(x) = x^2, find f(g(2))
5
9
10
18

Vysvetlenie

f(g(2)) = f(2^2)= f(4) = 2(4) + 1 = 9

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