f(x)=3x-1
Evaluate the function in x=-2
[tex]\begin{gathered} f(-2)=3\cdot(-2)-1 \\ f(-2)=-6-1 \\ f(-2)=-7 \end{gathered}[/tex]g(x)=-x+6
Evaluate the function in x=5
[tex]\begin{gathered} g(5)=-5+6 \\ g(5)=1 \end{gathered}[/tex]Add these values
[tex]f(-2)+g(5)=-7+1=-6[/tex]The answer is -6
