Functions

	Learning Objectives
	Understand the use of the function definition and declaration
	Be able to write a function definition given a specification
	Be able to call a function
	Understand the use of void
	Be able to use standard functions
	Understand the scope of variables in functions
	Understand the use of recursive functions
	Understand the use of refernce variables and be able to use them to alter values sent to a function
	Understand the concept of Default Arguments and be able to use them
	Understand the concept of function overloading

	Source Code from Notes
	Additional Examples
	Quick Check Exercises
	Additional Exercises to try
	Test Cases for Tutorial 6
	Extra Examples on Recursion

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