Resposta :
[tex]\boxed{\begin{array}{l}\sf g(3)=3+1=4\\\sf fog(3)=2\cdot4-3=8-3=5\\\sf f(-2)=2\cdot(-2)-3=-4-3=-7\\\sf gof(-2)=-7+1=-6\end{array}}[/tex]
[tex]\boxed{\begin{array}{l}\sf g(3)=3+1=4\\\sf fog(3)=2\cdot4-3=8-3=5\\\sf f(-2)=2\cdot(-2)-3=-4-3=-7\\\sf gof(-2)=-7+1=-6\end{array}}[/tex]