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3 votes
Find (f∘g)(x).

f(x)=5x+1
g(x)=2x
Write your answer as a polynomial in simplest form.

User TurboC
by
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1 Answer

4 votes
(f o g)=f(g(x))
just sub
f(g(x))
sub g(x) for x in f(x)
g(x)=2x
2x=x in f(x)
f(g(x)=f(2x)=5(2x)+1=10x+1

(f o g)=10x+1
User LMB
by
7.8k points

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