Algebra Examples

$f (x) = x + 4$ $g (x) = x^{2}$

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 $f$ .

$f (x^{2}) = (x^{2}) + 4$

Step 3

Remove parentheses.

$f (x^{2}) = x^{2} + 4$