# Precalculus Examples

,

Distribute the value across the operation.

Replace the variable with in the expression.

Simplify the result.

Multiply by .

The final answer is .

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.

Multiply by .

Apply the distributive property.

Move .

Simplify .

Use the power rule to combine exponents.

Add and .

Multiply by .

Multiply by .