Find the Domain and Range f(x)=x+1 if x>1; x-2 if x<=1

Math
Find the domain.
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Since the domain of is all real numbers, the domain of this piece of the function is its restriction, .
Since the domain of is all real numbers, the domain of this piece of the function is its restriction, .
Find the domain by taking the union of all of the intervals where the function is defined.
The range is the set of all valid values. Use the graph to find the range.
List the domain and range of the piecewise.
Domain:
Range:
Find the Domain and Range f(x)=x+1 if x>1; x-2 if x<=1

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