there are a bunch of these questions on brainly but I am not sure which one is right so please give me the correct answer
Which of the following describes the graph of a linear function? (1 point)
It is V shaped and passes through the origin.
Its y-values increase at a constant rate as its x-value increases.
It is a straight line in one portion and a curve in another portion.
Its y-values increase at a nonconstant rate as its x-value increases.