Given the points:
(-1,1/3),(0,1),(1/3),(2,9)
the graph of the points is as following:
so, the graph represents exponential function
We can note that:
The y values represents geometric sequence
[tex]1,3,9,\ldots[/tex]
so, the function will be:
[tex]y=f(x)=3^x[/tex]
