# Precalculus Examples

,
Distribute the value across the operation.
Evaluate .
Replace the variable with in the expression.
Simplify the result.
Multiply by .
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.
Simplify by multiplying through.
Multiply by .
Apply the distributive property.
Simplify the expression.
Rewrite using the commutative property of multiplication.
Multiply by .
Simplify each term.
Multiply by by adding the exponents.
Combine and
Raise to the power of .
Raise to the power of .
Use the power rule to combine exponents.