I can't figure out how to plot the function as a graph? Where do I go? Charts
seem to only work with data.
The simple answer is to turn your function into data by plugging x
values into the function and reading off the y values, then plotting
those. It's what almost everybody does.
*However*, if you'd like something cuter, Stephen Bullen has a clever
demonstration of the power of named ranges on his website:
http://www.oaltd.co.uk/Excel/Default.htm