Algebra Examples

Find the Domain and Range f(x)=1/x
Step 1
Set the denominator in equal to to find where the expression is undefined.
Step 2
The domain is all values of that make the expression defined.
Interval Notation:
Set-Builder Notation:
Step 3
The range is the set of all valid values. Use the graph to find the range.
Interval Notation:
Set-Builder Notation:
Step 4
Determine the domain and range.
Domain:
Range:
Step 5