The poi nt P(-1,1/3) lies on the graph of the exponential function f(x) = b^{x}, then b = I need the steps please or What I should know before I see an exercise like this in a exam!!
Follow Math Help Forum on Facebook and Google+
You are told that $\displaystyle y= b^x$, and that when x= -1, y= 1/3. That is, $\displaystyle b^{-1}= 1/3$. Now, do you know what "-1 power" means?
a^{-}^{n} = 1/a^{n}
View Tag Cloud