8. Five marks example problems I

Let \(A = \{1, 2, 3, 4\}\) and \(B = \{2, 5, 8, 11, 14\}\) be two sets. Let \(f: A \rightarrow B\) be a function given by \(f(x) = 3x - 1\). Represent this function

 

(i) by arrow diagram

 

(ii) in a table form

 

(iii) as a set of ordered pairs

 

(iv) in a graphical form