Predefined function User-defined function
Predefined functions are called built-in (library) function. User-defined function is used to define their own function by the user.
User can use built-in function by invoking function directly. When the function is invoked from any portion of the program, it all executes the program defined in the body of function.
Definition of predefined functions are defined in a special header file...

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Chapter 4.3, Problem 9STE

Chapter 4.3, Problem 11STE

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Chapter 4 Solutions

Problem Solving with C++ (9th Edition)

Ch. 4.2 - Prob. 1STE Ch. 4.2 - Convert each of the following mathematical...Ch. 4.2 - Write a complete C++ program to compute and output...Ch. 4.2 - Write and compile short programs to test the...Ch. 4.3 - Prob. 5STE Ch. 4.3 - Prob. 6STE Ch. 4.3 - Prob. 7STE Ch. 4.3 - Prob. 8STE Ch. 4.3 - Carefully describe the call-by-value parameter...Ch. 4.3 - Prob. 10STE

Ch. 4.3 - Write a function definition for a function called...Ch. 4.3 - Write a function definition for a function called...Ch. 4.3 - Write a function definition for a function isDigit...Ch. 4.3 - Write a function definition for a function...Ch. 4.4 - What is the purpose of the comment that...Ch. 4.4 - Prob. 16STE Ch. 4.4 - Prob. 17STE Ch. 4.4 - Carefully describe the process of program testing.Ch. 4.4 - Prob. 19STE Ch. 4.5 - If you use a variable in a function definition,...Ch. 4.5 - Suppose a function named Function1 has a variable...Ch. 4.5 - The following function is supposed to take as...Ch. 4.5 - Prob. 23STE Ch. 4.6 - Prob. 24STE Ch. 4.6 - Prob. 25STE Ch. 4.6 - Prob. 26STE Ch. 4.6 - Suppose you have two function definitions with the...Ch. 4.6 - This question has to do with the Programming...Ch. 4.6 - Prob. 29STE Ch. 4 - A liter is 0.264179 gallons. Write a program that...Ch. 4 - Modify your program from Practice Program 1 so...Ch. 4 - The price of stocks is sometimes given to the...Ch. 4 - Write a program to gauge the rate of inflation for...Ch. 4 - Enhance your program from the previous Practice...Ch. 4 - Write a function declaration for a function that...Ch. 4 - The gravitational attractive force between two...Ch. 4 - Prob. 8P Ch. 4 - Prob. 9P Ch. 4 - Write a program that computes the annual after-tax...Ch. 4 - Write a program that asks for the users height,...Ch. 4 - Modify your program from Programming Project 2 so...Ch. 4 - Write a program that outputs the lyrics for the...Ch. 4 - To maintain ones body weight, an adult human needs...Ch. 4 - You have invented a vending machine capable of...Ch. 4 - Your time machine is capable of going forward in...Ch. 4 - Do Programming Project 11 from Chapter 3 except...

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Predefined function	User-defined function
Predefined functions are called built-in (library) function.	User-defined function is used to define their own function by the user.
User can use built-in function by invoking function directly.	When the function is invoked from any portion of the program, it all executes the program defined in the body of function.
Definition of predefined functions are defined in a special header file...

Solution Summary: The author explains that predefined functions are called built-in functions, which are used to define their own function by the user.

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Chapter 4 Solutions