Algebra Examples

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

Step 1

Replace the function designators with the actual functions in $f (x) + g (x)$ .

$\sqrt{x} + \sqrt{x} + 2$

Step 2

Add $\sqrt{x}$ and $\sqrt{x}$ .

$2 \sqrt{x} + 2$