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For f(x)=3x+1 and g(x)=x^2-6 find (fog)(4)
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5 votes
For f(x)=3x+1 and g(x)=x^2-6 find (fog)(4)

User Steve Campbell
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F(x) = 3x+1
G(x) = X^2 - 6
F(G(x)) = F(X^2 - 6) = 3(X^2 - 6) + 1 = 3X^2 - 18 + 1 = 3X^2 -17
F(G(x)) = 3X^2 - 17
User Apgsov
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