To Find:The domain of the relation and draw its graph .Is relation is a function.
Answer to Problem 14WE
The domain of the given relation is x ={-2,-1,0,1,2,3} and range is y ={0,1,2}.
The relation is not function.
Explanation of Solution
Given information:Given relation is
Calculation:
Since
Now, if y =0 ,then x =0 ;if y =1 , then x =1,0, or -1; and finally if y =2 then x =-2,-1,0,1 or 2.
So, we have the following set of points:
(0,0),(1,1),(0,1),(-1,1),(-2,2),(-1,2),(0,2),(1,2)(2,2).
The domain is x ={-2,-1,0,1,2,3} and range is {0,1,2}.
The relation is not function since for some x -values, there are more than one corresponding y- value. For example, when x= 0, y is0,1,or 2.
Sketch the graph of the given relation using the set of points of the relation.
Chapter 3 Solutions
Algebra and Trigonometry: Structure and Method, Book 2
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