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Question

Given f(x)=x+2,g(x)=2x+3,h(x)=3x4 for xϵR . Find
fo(goh)

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Solution

fo(goh)
f(g(h(x)))
h(x)=3x4,g(x)=2x+3 &
f(x)=x+2
f(g(3x4))
=f(6x4+3)
=6x4+3+2
=6x4+5

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