Concept explainers
To graph: the given function and then to state the domain and range.
Explanation of Solution
Given information:
The function
Concept used:
Domain is the set of input values for which the function is defined.
Range is the set of output values for input values which are in domain.
The given function is a piece wise function.
Make a table of values for
| | | | | |
| | | | | |
The graph of
The open circle indicates not including the point. Closed circle indicates including that
point.
Hence,
Domain is
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