Precalculus Examples

Find the Domain ( square root of x+6)/(6+x)
Step 1
Set the radicand in greater than or equal to to find where the expression is defined.
Step 2
Subtract from both sides of the inequality.
Step 3
Set the denominator in equal to to find where the expression is undefined.
Step 4
Subtract from both sides of the equation.
Step 5
The domain is all values of that make the expression defined.
Interval Notation:
Set-Builder Notation:
Step 6