Evaluate f(x)=1/(5^-5)

$f (x) = \frac{1}{5^{- 5}}$

Simplify $\frac{1}{5^{- 5}}$ .

Move $5^{- 5}$ to the numerator using the negative exponent rule $\frac{1}{b^{- n}} = b^{n}$ .

$f (x) = 5^{5}$

Raise $5$ to the power of $5$ .

$f (x) = 3125$

Subtract $f (x)$ from both sides of the equation.

$0 = 3125 - f (x)$

Rewrite the equation as $3125 - f (x) = 0$ .

$3125 - f (x) = 0$