Exercise 552 Express each of the other three new functions i

Exercise 5.52. Express each of the other three new functions in Definition 5.48 as a set of ordered pairs.

Solution

1. (f+g)(x) = {(x, f(x)+g(x)) / x belongs that X}

2. (f - g)(x) = {(x, f(x) - g(x)) / x belongs that X}

3. (f.g)(x) = {(x, f(x).g(x)) / x belongs that X}

4. (f/g)(x) = {(x, f(x)/g(x)) / x belongs that X and g(x)not equal to zero}