# Precalculus Examples

,
Distribute the value across the operation.
Evaluate .
Replace the variable with in the expression.
Simplify the result.
Remove parentheses around .
The final answer is .
Evaluate .
Replace the variable with in the expression.
Simplify the result.
Multiply by .
The final answer is .
Compose the result function for by replacing the function designators with the actual functions.
Simplify.
Multiply by .
Apply the distributive property.
Move .
Simplify .
Use the power rule to combine exponents.