Define a relation S from ℤ to ℤ, where x y means x squared equals y where x ∈ ℤ and y ∈ ℤ. a) Write S as a series of ordered pairs in set-roster notation (remember, you can use …ellipses…)b) Write S in set-builder notation. c) Does the relation S meet the criteria to be a function

Who should have a career portfolio, and how often should it be updated? only artists need a career portfolio, which they should update after every gallery show. everyone should have a career portfolio, which they should update daily with their professional activities. all students should have a career portfolio, which they should update ever semester until they graduate. most professionals need a career portfolio, which they should update with regularly with important achievements.