Concept explainers
To Graph: The function
Answer to Problem 15WE
Domain {-2,0,2} and Range {2,-2}.
Explanation of Solution
Given information:Given function is
Calculation:
The coordinates ofthe points of the graph are (-2,2),(0,-2),(2,2).
The domain includes x -values which the function is allowed to receive as inputs.
So, the domain of the function=All x -values of all the points of the function.
So , domain is {-2,0,2}.
The range includes all y -values that the function yields given all inputs from its domain.
So , the range of the function is=All y -values of all the points of the function.
So, range is {2,-2}.
Sketch the graph of the function by using the coordinates of the points of the graph.
Domain {-2,0,2} and Range {-2,2}.
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Algebra and Trigonometry: Structure and Method, Book 2
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