Algebra Examples

$f (x) = {\begin{cases} 2 x - 4 & x \leq - 1 \\ - x + 2 & x > - 1 \end{cases}$

Step 1

The range is the set of all valid $y$ values. Use the graph to find the range.

$(- \infty, 3)$

Step 2

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