The application of derivative comes from the thought of finding the best solution to solve our problems, such as

  • Finding mix number of husbandry animals that is sustainable for farmers to harvest for the whole season.
  • Find the optimal unit number of production to maximize the profit

Such problems could be formulated by mathematical formula, mainly function with variable/s then using derivative to find the solution.

Now to begin, we will have to learn the definition of maximum / minimum value of a function:

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