How can I determine what quadrants lies in?
I know that this is equivalent to but is there a way I can put that into terms of y so I can plug it into the graphing calculator?
for graphing purposes, note the change of base formula ...
if , then
... where log is base 10 or base e (your choice on the calculator)
also, note that the new operating system for the TI-84 will graph logs for any base.