Which of the following describes the appearance of the graph at a zero whose multiplicity is one? Enter the number of the correct option.

1 answer

1) The graph intersects the x-axis at a nonzero point.
2) The graph is tangent to the x-axis.
3) The graph is flat at the x-axis.
4) The graph has a sharp corner at the x-axis.
5) None of the above.