Geometry

The answer is A. .

1. Analyze each option:

A.: By the definition of a ray, a ray has one endpoint and extends infinitely in one direction. In the notation , the point is the endpoint, and the ray extends infinitely through the point and beyond. This is the standard and proper notation for a ray with endpoint and passing through .

B.: The symbol represents a line. A line extends infinitely in both directions. Since a ray has only one - ended infinite extension,

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