What can be described as the path of a point moving through space?

Which of the following lists of ordered pairs is a function?

You know what i love about this sight when ask a dumb question it is immediately answered but when i ask a real question it takes hours to get answered

In 1907, the retrospective on the work of 19th century post-impressionist georges seurat influenced the development of cubism in a radical way through his painting titled, “sunday afternoon on the island of la grande jatte.” ? ?