Precalculus Examples

$4 + | - 2 |$

Step 1

The absolute value is the distance between a number and zero. The distance between $- 2$ and $0$ is $2$ .

$4 + 2$

Step 2

Add $4$ and $2$ .

$6$

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