Algebra Examples

$q (x) = x^{2} + 6$ , $r (x) = \sqrt{x + 9}$

Step 1

Set up the composite result function.

$r (q (x))$

Step 2

Evaluate $r (x^{2} + 6)$ by substituting in the value of $q$ into $r$ .

$r (x^{2} + 6) = \sqrt{(x^{2} + 6) + 9}$

Step 3

Add $6$ and $9$ .

$r (x^{2} + 6) = \sqrt{x^{2} + 15}$