5. What are virtual functions?

Please explain the benefits of employing user-defined functions as opposed to predefined ones.

5. Please help me answer this engineering question

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Assignment you are required to design a few Haskell functions that will handle specific tasks. When necessary, these functions should call other functions that you have written. In total there must be at least 12 unique functions. Over these functions you must cover as much topics of Haskell as you can. You must have a main function which should call each public function to demonstrate their correctness. In addition you should also write a short document explaining your functions and how they work. Include your code in your document.

Quèstion 38 One possible solution to avoid functional side effects is to the use of 2-way parameters. (allow, disallow)

How should a software utilize pointers or references to a base class to make use of the same virtual function in various forms and structures?

Explain how invoking inline functions differs from calling standard functions and provide an example. Provide an example of how the change was made?