To identify: the domain and range of the given relation and to represent the relation with
mapping diagram then to find the whether the relation is function or not.
Explanation of Solution
Given information:
The given relation is
Concept used:
- The domain is the set of input values and range is the set of output values.
- In a relation, if the each element of set one is related to exactly only one element of set two. Then the relation is a function.
Consider the given relation
Domain is
Range is
Mapping diagram of given relation:
The each element of set one is related to only one element of set two.
Hence, the given relation is a function.
Chapter 4 Solutions
High School Math 2015 Common Core Algebra 1 Student Edition Grade 8/9
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