Algebra Examples

$f (- 2) = {(\frac{1}{3})}^{- 2}$

Step 1

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

$f (- 2) = {(\frac{1}{3})}^{- 2}$

Step 2

Simplify the result.

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Step 2.1

Change the sign of the exponent by rewriting the base as its reciprocal.

$f (- 2) = 3^{2}$

Step 2.2

Raise $3$ to the power of $2$ .

$f (- 2) = 9$

Step 2.3

The final answer is $9$ .

$9$

Step 3