Algebra Examples

$f (x) = {\begin{cases} - 4, x \leq - 2 \\ x - 2, - 2 < x < 2 \\ - 2 x + 4, x \geq 2 \end{cases}$

Step 1

Graph.

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

Step 2