Finite Math Examples

$f (5) = x^{2 - 3}$

Step 1

Replace the variable $x$ with $5$ in the expression.

$f (5) = {(5)}^{2 - 3}$

Step 2

Simplify the result.

Tap for more steps...

Step 2.1

Subtract $3$ from $2$ .

$f (5) = 5^{- 1}$

Step 2.2

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

$f (5) = \frac{1}{5}$

Step 2.3

The final answer is $\frac{1}{5}$ .

$\frac{1}{5}$

Step 3

The result can be shown in multiple forms.

Exact Form:

$\frac{1}{5}$

Decimal Form:

$0.2$

Step 4