(f + g)(x) = f (x) + g(x)
= [3x + 2] + [4 – 5x]
= 3x + 2 + 4 – 5x
= 3x – 5x + 2 + 4
= –2x + 6
![f gx f x gx 3x 2 4 5x 3x 2 4 5x 3x 5x 2 4 2x 6 class=](https://us-static.z-dn.net/files/daf/aa0a640858393f381500987836af1f86.png)