Algebra Examples

$f (- 2) = 2^{- 2 - 2}$

Step 1

Subtract $2$ from $- 2$ .

$f (- 2) = 2^{- 4}$

Step 2

Rewrite the expression using the negative exponent rule $b^{- n} = \frac{1}{b^{n}}$ .

$f (- 2) = \frac{1}{2^{4}}$

Step 3

Raise $2$ to the power of $4$ .

$f (- 2) = \frac{1}{16}$