
Whether the given relation is a function.

Answer to Problem 28PPS
No
Explanation of Solution
Given:
The relation:
Concept Used:
A function is defined as relation between two sets that maps elements of first to a unique element of second set. And it is denoted as
Calculation:
In the given relation, observe that in the first and last ordered pair, the x -coordinate has two different y -coordinates. The x -value 4 has two different y -values as 5 and 7.
Since each element of the domain does not have a unique value in the range, so the relation is not a function.
Thus, the given relation is nota function.
Chapter 1 Solutions
Algebra 1, Homework Practice Workbook (MERRILL ALGEBRA 1)
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