Precalculus Examples
,
Step 1
Step 1.1
Replace the function designators with the actual functions in .
Step 1.2
Simplify.
Step 1.2.1
Rewrite using the commutative property of multiplication.
Step 1.2.2
Multiply by by adding the exponents.
Step 1.2.2.1
Move .
Step 1.2.2.2
Multiply by .
Step 2
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 3