Algebra Examples

$f (x) = {\begin{cases} 1 + x^{2} & x < 1 \\ 2 x + 3 & x \geq 1 \end{cases}$

Step 1

Graph.

$f (x) = {\begin{cases} 1 + x^{2} & x < 1 \\ 2 x + 3 & x \geq 1 \end{cases}$

Step 2

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