Unit 4 Day 8 Opener - C++ Function Concepts

What is the most appropriate type of function for calculating the circumference of a circle?

• int

• double

• void

• bool

What is the most appropriate type of function for displaying the instructions to a program?

• int

• double

• void

• bool

What is the most appropriate type of function for determining and returning the letter grade (A, B, C, etc.) associated with a numerical average?

• char

• double

• void

• bool

Select the correct function declaration for the function calculateHypotenuse that takes the two legs of a right triangle and calculates the hypotenuse.

• double calculateHypotenuse();

• double calculateHypotenuse(double a, double b);

• void calculateHypotenuse(double a, double b);

• double calculateHypotenuse(double a, b)

What is the most appropriate function declaration for a function displayProgramInfo that prints out the introduction to a program?

• int displayProgramInfo(int x);

• void displayProgramInfo(int x);

• void displayProgramInfo();

• int displayProgramInfo();

True or False?

A function can have no formal parameters.

• True

• False

True or False?

A function must have a return statement.

• True

• False

Complete the following statement.

The C++ main function has a return type of