To determine if the relation represented by the line passing through the points (0, -3) and (3, 0) is a function, we can apply the vertical line test.
The vertical line test states that if a vertical line intersects the graph of the relation at more than one point, then the relation is not a function. Since the given relation is a straight line, any vertical line will intersect it at most once.
Therefore, the correct response is:
Yes, the given relation is a function.