Algebra Examples

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

Step 1

Set up the composite result function.

$f (g (x))$

Step 2

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

$f (x + 2) = \frac{{(x + 2)}^{2}}{2}$