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Can someone check: f(x) = x^2 + 3; g(x) = 6x Which is equal to (f ◦ g)(x)? A. 36x^2 + 3 B. 36x^2 + 18 C. 6x^3 + 18x D. 6x^2 + 3 My answer: A
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Can someone check:

f(x) = x^2 + 3; g(x) = 6x

Which is equal to (f ◦ g)(x)?

A. 36x^2 + 3

B. 36x^2 + 18

C. 6x^3 + 18x

D. 6x^2 + 3

My answer: A

User Eliza Camber
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1 Answer

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f(x) =x^2 + 3 f(g(x))= [g(x)] ^2 + 3 = (6x)^2 + 3 = 36x^2 + 3 Yeah you are right.
User Stif
by
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