Precalculus Examples

$g (x) = x - 2$ $h (x) = - x - 4$ Find $g (h (x))$

Step 1

Set up the composite result function.

$g (h (x))$

Step 2

Evaluate $g (- x - 4)$ by substituting in the value of $h$ into $g$ .

$g (- x - 4) = (- x - 4) - 2$

Step 3

Subtract $2$ from $- 4$ .

$g (- x - 4) = - x - 6$