C++ Urgent Needed

Q. No. 03: do as directed (Points: 30-06 each) a) What is "has-a relationship" and "is-a relationship" in object oriented programming. Give examples b) What is static and dynamic polymorphism, identify in OOPs? Explain with examples. c) Write the syntax of: virtual function, pure virtual function and abstract base class. d) Differentiate between the use and impact of function overloading and function template in OOP. e) What is friend function? Why is it required? Explain with example