Precalculus Examples

,
Distribute the value across the operation.
Evaluate .
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Replace the variable with in the expression.
Simplify the result.
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Remove parentheses around .
The final answer is .
Evaluate .
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Replace the variable with in the expression.
Simplify the result.
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Remove parentheses around .
The final answer is .
Compose the result function for by replacing the function designators with the actual functions.
Rewrite the division as a fraction.
Solve to find the values of that make undefined.
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Set up the equation to solve for .
Add to both sides of the equation.
The domain is all values of that make the expression defined.
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