Question: C++ 7. What is polymorphism in OOP? A class becomes an abstract base class when one or more of its member functions is a pure

C++ 7. What is polymorphism in OOP? A class becomes an

C++

7. What is polymorphism in OOP? A class becomes an abstract base class when one or more of its member functions is a pure virtual function. Show an example of an abstract class (with comments) and its use in a derived class, then explain why the use of abstract class is useful. (10 points)

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