What is the proper identifier for the following figure:

Answer:
AB ( line AB)
Step-by-step explanation:
it's not ray
and not line segment because the line has no end.
9514 1404 393
Answer:
(b) Ray AB
Step-by-step explanation:
The line extends one direction from point A. It is a ray with A as its end point. The point B on the ray gives the rest of its name:
ray AB