How do you know if a graph or a table is a function or not

The speed of a falling object increases at a constant rate as time increases since the object was dropped. which graph could represent the relationship betweent time in seconds, and s, speed in meters per second? speed of a falling object object over time

15 points what is the end behavior of this graph? & what is the asymptote of this graph?

Nikita wants to apply for student aid to fund her college education. arrange the steps involved in nikita’s application for financial aid