Algebra Examples

$f (x) = 9 x - 2$ , $g (x) = \frac{x + 9}{2}$

Step 1

Set up the composite result function.

$g (f (x))$

Step 2

Evaluate $g (9 x - 2)$ by substituting in the value of $f$ into $g$ .

$g (9 x - 2) = \frac{(9 x - 2) + 9}{2}$

Step 3

Add $- 2$ and $9$ .

$g (9 x - 2) = \frac{9 x + 7}{2}$