Question

F(x)=x^2+1 g(x)=5-x (f-g)(x)=

Answer 1

Given

$f(x)=x^2+1,\text{ g(x)=5-x}$

Then, (f-g)(x) can be found as,

$\begin{gathered} (f-g)(x)=f(x)-g(x) \\ (f-g)(x)=x^2+1-(5-x) \\ (f-g)(x)=x^2-4+x \\ (f-g)(x)=x^2+x-4 \end{gathered}$