The poi nt P(-1,1/3) lies on the graph of the exponential function f(x) = bx, then b =
I need the steps please or What I should know before I see an exercise like this in a exam!!
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You are told that , and that when x= -1, y= 1/3. That is, . Now, do you know what "-1 power" means?
a-n = 1/an
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