Concept explainers
To find: whether the given relation is function or not.
Answer to Problem 69PPE
The given relation is not a function.
Explanation of Solution
Given information:
Consider the relation
Calculation:
Relation is a function, if each input having only one output.
By observing the above graph, at single input we have two output values.
Vertical line test:
Draw a vertical line anywhere on to graph, then the line intersects at more than one point.
So, vertical line test fail.
Hence,
The given relation is not a function.
Chapter 1 Solutions
High School Math 2015 Common Core Algebra 1 Student Edition Grade 8/9
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