Algebra Examples

$f (- 1) = {(2.2)}^{- 1}$

Step 1

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

$f (- 1) = \frac{1}{2.2}$

Step 2

Divide $1$ by $2.2$ .

$f (- 1) = 0.\overline{45}$