Project -1 A. Using functions and Files: Create a C++ program that let the user perform an arithmetic operations (+, - , x,/, or %) on numbers. Note that: program must be menu driven, allowing the user to select an operation and input the numbers. The program must consist of following functions: 1. Function showChoice: The function shows the options to the user and explains how to enter data. 2. Function add: The function accepts the number as arguments and returns sum. 3. Function subtract: The function accepts the number as arguments and returns their difference. 4. Function multiply: The function accepts the number as arguments and returns product. 5. Function divide: The function accepts the number as arguments and returns quotient. 6. Function ExitProg: The function terminates the program execution. P.S. All operations should be saved in a file

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Max Function

Statistical function is of many categories. One of them is a MAX function. The MAX function returns the largest value from the list of arguments passed to it. MAX function always ignores the empty cells when performing the calculation.

Power Function

A power function is a type of single-term function. Its definition states that it is a variable containing a base value raised to a constant value acting as an exponent. This variable may also have a coefficient. For instance, the area of a circle can be given as: