Complete the function for this graph.

Answer:
-4
Step-by-step explanation:
The function for this graph is :
y = | x | + (-4)
It intersects the y-axis at (0, -4)
[tex]\\ \rm\Rrightarrow y=|x-h|+v[/tex]
[tex]\\ \rm\Rrightarrow y=|x-0|+(-4)[/tex]
[tex]\\ \rm\Rrightarrow y=|x|-4[/tex]