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DespicableMe
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Homework Statement
Given the function f(x)= (x-2) / (x-5), determine an interval and a point where the ave. R.O.C and the instantaneous R.O.C are equal.
Homework Equations
IROC = [ f(x+h) - f(x) ] /h
AROC = f(x2) - f(x1) / x2 - x1
The Attempt at a Solution
I know that in order to satisfy this, the x's must satisfy both equations when using the AROC and IROC formulas.
I'm not sure where to start, though.
I could do guess and check, but I need help for an algebraic method.