
Elementary Math Fractions, Percentages, Word Problems, Equations, Inequations, Factorization, Expansion 
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July 25th, 2017, 02:39 AM  #1 
Newbie Joined: Jul 2017 From: Turkey Posts: 2 Thanks: 0  Equation creation for a set of requirements
It's been a while since I've done math so my apologies if this is too much of a simple question. I am need to create an equation which outputs a desired value depending on input. Requirements are: Suppose that 90>x>0, For x<40, f(x) = 0, For 40<x<90, 0<f(x)<500. I believe graph would look like: I need to implement said equation in a C function. How do I approach this? 
July 25th, 2017, 04:45 AM  #2 
Global Moderator Joined: Dec 2006 Posts: 20,301 Thanks: 1971 
Doesn't C have a conditional operator for this kind of thing?

July 25th, 2017, 05:49 AM  #3 
Newbie Joined: Jul 2017 From: Turkey Posts: 2 Thanks: 0 
It does indeed. What do I do about the exponential part? I could do x^2 but I would prefer increase to be more subtle.


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