Describe how the transformed function below is obtained from its parent function.
y=|x|-3
a.The parent function y=x is shifted 3 units down.
B.
The parent function y=|x| is shifted 3 units to the left.
C.
The parent function y=|x| is shifted 3 units up.
D.
The parent function y=|x| is shifted 3 units down.