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If a(x)=2x+3 and b(x)=x2+4x, what is (a∘b)(x)?
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5 votes
If a(x)=2x+3 and b(x)=x2+4x, what is (a∘b)(x)?

User AshleyF
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1 Answer

6 votes
for this problem you need to multiply a and b.
set them up like this
(2x+3)(x^2+4x) and then FOIL
Your final answer should be : 2x^3+11x^2+12x
User Sigurdb
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