Precalculus Examples

$f (x) = x + 3$ , $g (x) = x^{2}$

Step 1

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

$x + 3 + x^{2}$

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$