Precalculus Examples

,
Consider the difference quotient formula.
Find the components of the definition.
Tap for more steps...
Evaluate the function at .
Tap for more steps...
Replace the variable with in the expression.
Simplify the result.
Tap for more steps...
Apply the distributive property.
The final answer is .
Find the components of the definition.
Plug in the components.
Simplify.
Tap for more steps...
Simplify the numerator.
Tap for more steps...
Apply the distributive property.
Multiply by .
Multiply by .
Subtract from .
Add and .
Add and .
Add and .
Divide by .
Enter YOUR Problem
Mathway requires javascript and a modern browser.
Cookies & Privacy
This website uses cookies to ensure you get the best experience on our website.
More Information