Agraph shows an x- and y-axis. the data line is in the shape of a "vee." the begins above the x-axis and to the left of the y-axis, extends below the x-axis to a point on the y-axis, and ascends above the x-axis to the right of the y-axis.
which statement describes the relationship between x and y?

as x increases, y decreases.
as x increases, y increases.
as x increases, y increases and then decreases.
as x increases, y decreases and then increases.