Question

dados as funções definidas por  f(x)=x/2+1 e g(x)=x²-1 calcule f(6)+g(2)

Answer 1

$\begin{cases}f(x)=\frac{x}{2}+1\Rightarrow\,f(6)=\frac{6}{2}+1\Rightarrow\,f(6)=4\\g(x)=x^2-1\Rightarrow\,g(2)=4-1\Rightarrow\,g(2)=3\end{cases}$

 Por fim,

$f(6)+g(2)=4+3\\\\\boxed{f(6)+g(2)=7}$