Final answer:
The line segment connecting a point and its reflected image over the y-axis is always perpendicular to the y-axis. Hence, C) is correct.
Step-by-step explanation:
The question involves understanding the properties of reflections in geometry, specifically regarding a triangle reflected over the y-axis. The relationship between the y-axis and the line connecting the original point (F) to its image (F') after reflection is asked.
When a point is reflected over the y-axis, the line connecting the original point and its image is perpendicular to the y-axis and bisected by it. This means the correct answer is C. They are perpendicular to each other.