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Given f (x) = x + 1 and g(x) = x², what is (g * f)(x)?

1 Answer

6 votes

Answer:

x³+x²

Step-by-step explanation:

Given f(x) and g(x) defined below:


\begin{gathered} f(x)=x+1 \\ g(x)=x^2 \end{gathered}

We want to calculate the composite function (g*f)(x):


\begin{gathered} (g\cdot f)(x)=g(x)* f(x) \\ =x^2(x+1) \\ =x^3+x^2 \end{gathered}

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