There is a horizontal asymptote of
Definition of an odd function. This means that
You do not have to connect this graph. (There was not a clue that said it is a continuous function.) If you choose to connect it, make sure the sketch has rotational symmetry about the origin.
Use the eTool below to create the graph.
Click the link at right for the full version of the eTool: Calc 3-61 HW eTool