Algebra Examples

$f (- 2) = \frac{1}{x + 2}$

Step 1

Replace the variable $x$ with $- 2$ in the expression.

$f (- 2) = \frac{1}{(- 2) + 2}$

Step 2

Add $- 2$ and $2$ .

$f (- 2) = \frac{1}{0}$

Step 3

The expression contains a division by $0$ . The expression is undefined.

Undefined