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Question 131 f(x) = x2 and g(x) = 2x + 3, what is f(g(x))?x2 + 2.0 + 3AB20c2 +3С4.2 +9D4.2 + 12x + 9

Question 131 f(x) = x2 and g(x) = 2x + 3, what is f(g(x))?x2 + 2.0 + 3AB20c2 +3С4.2 +9D4.2 + 12x + 9
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Question 131 f(x) = x2 and g(x) = 2x + 3, what is f(g(x))?x2 + 2.0 + 3AB20c2 +3С4.2 +9D4.2 + 12x + 9

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User Mariusz Ignatowicz
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7.6k points

1 Answer

6 votes

We need to know what is the composition function


\begin{gathered} f(g(x))=(g(x))^2=(2x+3)^2 \\ =4x^2+12x+9 \end{gathered}

answered
User Stuart Campbell
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8.6k points
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