Find values of a,b, and c for exponential function f(x) = cb^-x + a. Given that horizontal asymptote is y=72. Y-intercept is 425 and point P(1,248.5) lies on the graph.

Can anyone explain this step-by-step?

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- November 25th 2008, 12:04 PMmwokFinding values for a function with horizontal asymptote
Find values of a,b, and c for exponential function f(x) = cb^-x + a. Given that horizontal asymptote is y=72. Y-intercept is 425 and point P(1,248.5) lies on the graph.

Can anyone explain this step-by-step? - November 25th 2008, 12:30 PMskeeter