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Given f(x) = 3 + x; g(x) = x2; h(x) = 1/x find fo(goh)

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Best answer

f(x) = 3 + x; g(x) = x2, h(x) = 1/x

goh = g[h(x)]

= g(1/x)

= (1/x)2

goh = 1/x2

fo(goh) = f(1/x2)

= 3 + 1/x2

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