Question

g(n)=-n + 5f(n)=n^2-1Find (g•f)(6)

Answer 1

$\begin{gathered} g\circ f(6)=-(n^2-1)+5 \\ g\circ f(6)=-n^2+1+5 \\ g\circ f(6)=-n^2+6 \\ g\circ f(6)=-(6)^2+6 \\ g\circ f(6)=-36+6 \\ g\circ f(6)=-30 \end{gathered}$