Evaluate Using the Given Value f(-2)=3^-2

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

Step 1

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

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

Step 2

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

$f (- 2) = \frac{1}{9}$