#### Howdoyoumath

##### New member

- Joined
- Jul 5, 2019

- Messages
- 3

f(x)=x^2−6x and g(x)=x+6, find

(f+g)(x)=0

(f-g)(x)=12

(fg)(x)=-36

(f/g)(x)=-1

It says my answers are incorrect and i plugged in f(6)=(6)^2-6(6) and for g(-6)=(-6)+6

f(6)=0 g(-6)=0

Where did I go wrong? Also should they always =0? Also, should f and g have the same f(6) or g(6) value?