whether the given relation is a function with an explanation.
Answer to Problem 18E
The relation is a function because no two ordered pairs have the same first element.
Explanation of Solution
Given information:
Relation:
Calculation:
The domain consists of a set of all non-repeating values of
The range consists of a set of all non-repeating values of
Since no two ordered pairs have the same first element, that is, there is only one value of y for a particular value of x. Thus this relation is a function.
Chapter 1 Solutions
Advanced Mathematical Concepts: Precalculus with Applications, Student Edition
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