Calculus Examples

$f (x) = \frac{x^{2} - 25}{x - 5}$

Step 1

Set the denominator in $\frac{x^{2} - 25}{x - 5}$ equal to $0$ to find where the expression is undefined.

$x - 5 = 0$

Step 2

Add $5$ to both sides of the equation.

$x = 5$

Step 3