Answer: See the figure attached.
Explanation:
1. The function shown is that of a parabolic equation whose coefficient is positive. This means that the graph will have the shape of a concave parabola.
2. To verify it we can introduce values to the function.
x y
0 0
1 1/3
-1 1/3
2 4/3
-2 4/3
The graph of this function is shown in the image attached.