Solution:
[tex]\begin{gathered} Given:\text{ } \\ f(x)=2x+4 \\ g(x)=-4x-2 \end{gathered}[/tex][tex]\begin{gathered} (f+g)(x)\text{ = 2x+4+\lparen-4x-2\rparen = 2x+4-4x-2 } \\ (f+g)(x)=-2x+2 \\ (f+g)(1)=-2(1)+2\text{ = -2+2} \\ (f+g)(1)=0 \end{gathered}[/tex]
