Algebra Examples

$f (x) = x + 5$ , $g (x) = x^{3} + 125$

Step 1

Set up the composite result function.

$f (g (x))$

Step 2

Evaluate $f (x^{3} + 125)$ by substituting in the value of $g$ into $f$ .

$f (x^{3} + 125) = (x^{3} + 125) + 5$

Step 3

Add $125$ and $5$ .

$f (x^{3} + 125) = x^{3} + 130$