Algebra Examples

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

Step 1

Graph.

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

Step 2