Trigonometry Examples

Find the Domain and Range f(x) = log base 2 of x+5
Step 1
Set the argument in greater than to find where the expression is defined.
Step 2
Subtract from both sides of the inequality.
Step 3
The domain is all values of that make the expression defined.
Interval Notation:
Set-Builder Notation:
Step 4
The range is the set of all valid values. Use the graph to find the range.
Interval Notation:
Set-Builder Notation:
Step 5
Determine the domain and range.
Domain:
Range:
Step 6