C++ Programming Week 4 Functions 2 and recursive Task1 Write a simple C++ function name myPower to perform mathematics power. Task2 Write a simple C++ function name myFactorial to perform mathematics factorial calculation. Task3 Write a simple C++ function name myFibonacci. You program should ask one input from user, which is a position number in Fibonacci sequence. E.g. user input 5 the answer should be 5 or user input 9, the answer should be 34 etc.