Algebra Examples

$f (x) = {\begin{cases} 2, x < - 3 \\ x (x + 4) + 4, - 3 \leq x < 0 \\ 2 x, x \geq 0 \end{cases}$

Step 1

Graph.

$f (x) = {\begin{cases} 2 & x < - 3 \\ x (x + 4) + 4 & - 3 \leq x < 0 \\ 2 x & x \geq 0 \end{cases}$

Step 2