Precalculus Examples

$r (x) = x + 5$ , $s (x) = 4 x^{2}$

Step 1

Replace the function designators with the actual functions in $r (x) + s (x)$ .

$x + 5 + 4 x^{2}$

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