Use the vertical line test to determine whether the given graph is a graph in which y is a function of x. . . . Question content area top right Part 1 x y A coordinate system has an unlabeled horizontal x-axis and an unlabeled vertical y-axis. A line that rises from left to right passes through the positive y dash axis and the negative x dash axis. Question content area bottom Part 1 The graph is is not a graph in which y is a function of x because a vertical line cannot can be drawn such that it intersects the graph in more than one point