# Calculus Examples

Consider the difference quotient formula. Use this formula to solve for the slope of the secant line .

Evaluate the function at .

Replace the variable with in the expression.

Simplify the result.

Simplify each term.

Rewrite as .

Expand using the FOIL Method.

Apply the distributive property.

Apply the distributive property.

Apply the distributive property.

Remove parentheses.

Simplify and combine like terms.

Simplify each term.

Simplify .

Use the power rule to combine exponents.

Add and .

Simplify .

Use the power rule to combine exponents.

Add and .

Add and .

Reorder and .

Add and .

The final answer is .

Find the components of the definition.

Plug in the components.

Simplify the numerator.

Apply the distributive property.

Multiply by .

Remove parentheses.

Subtract from .

Add and .

Subtract from .

Add and .

Factor out of .

Reduce the expression by cancelling the common factors.

Cancel the common factor.

Divide by .