Which graph best represents an increasing function? (1 point)

A graph shows a straight line that joins the ordered pairs 3, 0 and 3,5.
A graph shows a straight line that joins the ordered pairs 0, 2 and 5, 2.
A graph shows a straight line that joins the ordered pairs 0, 5 and 5,0.
A graph shows a straight line that joins the ordered pairs 0,0 and 5,5.