Algebra Examples

$f (x) = {\begin{cases} 0 & x < - 4 \\ - x & - 4 \leq x < 0 \\ x^{2} & x \geq 0 \end{cases}$

Step 1

Graph.

$f (x) = {\begin{cases} 0 & x < - 4 \\ - x & - 4 \leq x < 0 \\ x^{2} & x \geq 0 \end{cases}$

Step 2