x+4, x<2 f(x)= When the function is graphed correctly, how should the points be drawn on the graph for an x-value of 2? A open circles at (2, 6) and (2, 4) B open circle at (2, 6) and a closed circle at (2, 4) C closed circle at (2, 6) and an open circle at (2, 4) D closed circles at (2, 6) and (2, 4)