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Alright, I have a situation where I need to create a user defined function (I've done that) next I need to write a subroutine that uses the bisection method to find the zeros of said function (I've also done that) but I can't figure out how to call on the user defined function to evaluate at different values... more specifically, I have a function, f1 (x), where it takes a value x and makes some computations with it, but I need that same function to be called on to evaluate 'a' (the lower bound) and 'b' (the upper bound) and the 'm' (the midpoint), but I'm not sure how to do that... my textbook doesn't cover it, and my professor didn't provide any useful direction. I haven't conceptualized some of this material well enough to draw logical solutions.