1. f(x)=−5x−4, g(x)=6x−7, f+g
2. g(x)=3x−5, h(x)=x+2, (h−g)(x)
3. f(x)=2x2+x−3, g(x)=x−1, f· g
4. f(x)=−5x+3, g(x)=6x−2, f· g
7. f(x)=x2+x−2, g(x)=2x−4, (f+g)(x)
8. f(x)=x−3, g(x)=2x−4, (f+g)(x)
9. g(x)=x−2, h(x)=3x−4, (h+g)(x)
10. f(x)=4x−8, g(x)=x−5, f+g