Precalculus Examples

$f (x^{2}) = | x^{2} | + 4$

Step 1

Remove non-negative terms from the absolute value.

$f (x^{2}) = x^{2} + 4$

Step 2

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