Precalculus Examples

$f (x) = {\begin{cases} 2 x + 3, x < 0 \\ 3 - x, x \geq 0 \end{cases}$

Step 1

Graph.

$f (x) = {\begin{cases} 2 x + 3 & x < 0 \\ 3 - x & x \geq 0 \end{cases}$

Step 2

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