Algebra Examples

Find the Domain and Range y=arctan(x)
Step 1
The domain of the expression is all real numbers except where the expression is undefined. In this case, there is no real number that makes the expression undefined.
Interval Notation:
Set-Builder Notation:
Step 2
The range is the set of all valid values. Use the graph to find the range.
Interval Notation:
Set-Builder Notation:
Step 3
Determine the domain and range.
Domain:
Range:
Step 4