4. X = {10, 20, 30, 40} and Y = {1,2,3,4}. X Y (a) Copy and complete the Venn diagram. (b) List the elements of XU Y. (C) List the elements of X n Y. (d) What is #(XU Y)? (e) What is #(X n Y)?

Suppose you are analyzing the relationship between time and distance given in a table,and there are 4 values for each quantity.you divide distance 2 minus distance 1 by time 2 minus time 1.you then divide distance 4 minus distance 3 by time 4 minus time 3 and get a different answer.what can you say about the relationship?