Question 883738

First add the functions


f(x)+g(x)=(x+5)+(x-4)
f(x)+g(x)=2x+1
(f+g)(x)=2x+1


Then plug in x = -4


(f+g)(x)=2x+1
(f+g)(-4)=2(-4)+1
(f+g)(-4)=-8+1
(f+g)(-4)=<font color="red">-7</font>