Answer
The picture is provided below.
Work Step by Step
You draw it like you would draw $y=x^{3/2}$, except that you use $(-2, 1)$ instead of $(0,0)$ as the starting point. (If you do not recall the shape of $y=x^{3/2}$ since it is a fairly uncommon graph, plot a few points of the function in order to determine the overall shape.)