To find: Whether the given set of ordered pair is a relation and it is a function or not.
Answer to Problem 23E
The given relation is a function.
Explanation of Solution
Given information:
The given ordered pair is
Here, the man in London is
The given ordered pair for the man in London and his thumbprint is a set of relation.
A relation is said to be a function if x -co-ordinate is paired with exactly one y -co-ordinate. In this relation, x -co-ordinate that is the man in London will have exactly one y -co-ordinate that is his thumbprint, so the given relation is a function.
Hence, the given relation is a function.
Chapter 8 Solutions
Algebra: Structure And Method, Book 1
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