Question

Express your answer as a polynomial in standard form.f(x) = x² - 7x + 14 g(x) = 4x - 9 Find: (gof)(x)

Answer 1

$\begin{gathered} g\circ f(x)=g(f(x))=g(x^2-7x+14)=4(x^{2}-7x+14)-9 \\ g\circ f(x)=4x^2-28x+56-9 \\ g\circ f(x)=4x^2-28x+47 \end{gathered}$