# How do you evaluate the function f(x) = x - 8 for x = 2?

Oct 29, 2015

$- 6$

#### Explanation:

Substitute 2 everywhere that there is x.

$f \left(2\right) = 2 - 8$
$f \left(2\right) = - 6$

$f \left(2\right)$ means the same thing as for evaluating the function for $x = 2$.