Question

Examine the ordered pairs in this relation. (8,5), (-3,8), (11, -1), (10,-5), (4,4) Which numbers are input values of the relation?​

Answer 1

{-3, 4, 8, 10, 11}

Explanation:

The ordered pairs are usually defined as (input, output). That is, the input values of the relation are all of the first-numbers of the pairs:

{8, -3, 11, 10, 4}

We usually like to list members of a set in numerical order:

{-3, 4, 8, 10, 11} . . . . input values of the relation