Can anybody use a graphing calculator, plug in (1/2)(3^x) to the table option and give me the table values pls ?

X=-4 y= .00617
x=-3 y= .01852
x=-2 y= .05556
x=-1 y= .16667
x= 0 y=.5
x=1 y=1.5
x=2 y=4.5
x=3 y=13.5
x=4 y= 40.5

I wasn't sure which values you needed so I listed these.

Are you trying to figure out the volume?