7.4

Question 1

1. (f+g)(x)=f(x)+g(x)
2. (f-g)(x)=f(x)-g(x)
3. (fg)(x)=f(x)g(x)
4. (f/g)(x)=f(x)/g(x), provided g(x) not equal to 0

Answer 1

Algebra of functions