Solve

7. During a geometry quiz, three students wrote different answers for the definition of "ray" Their answers were: Student 1: "A ray is half of a line." Student 2: "A ray begins as a line segment, but then extends beyond one endpoint forever." Student 3: "A ray is a portion of a line that has a fixed starting point and then extends infinitely in one direction." Based on your understanding of what makes a great definition, which definition is best and why