To graph:The given relation and identify if the given relation is a function. If it is not a function draw a vertical line that intersect the graph more than once.
Explanation of Solution
Given information:The relation is
Graph:
The relation is
Interpretation:
The relation is
For a relation to be a function
i) All elements of the set A must be associated to elements in set B.
ii) Allelements of the set A must be associated to a unique element in set B.
Sincethe element (3) of the domain is related totwo element in the range (-2 & 2) of the relation, the given relation isnot a function.
Therefore it can be observed in the graph above that a vertical line intersects the graph at more than one point at
Hence the given relation is not a function.
Chapter 3 Solutions
Algebra and Trigonometry: Structure and Method, Book 2
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