Algebra Examples

$f (x) = 9 x$ $g (x) = x + 4$

Step 1

Set up the composite result function.

$g (f (x))$

Step 2

Evaluate $g (9 x)$ by substituting in the value of $f$ into $g$ .

$g (9 x) = (9 x) + 4$

Step 3

Remove parentheses.

$g (9 x) = 9 x + 4$