Evaluate the Function f(x)=8/x at x=-1

$f (x) = \frac{8}{x}$ at $x = - 1$

Replace the variable $x$ with $- 1$ in the expression.

$f (- 1) = \frac{8}{- 1}$

Simplify the result.

Divide $8$ by $- 1$ .

$f (- 1) = - 8$

The final answer is $- 8$ .

$- 8$