C++ Functions Quiz

What is a function in C++?

• A group of statements with a name that can be called

• A data structure

• A type of variable

• A loop structure

What is the correct syntax to define a function?

• type name { parameters }

• type name(parameters) { statements }

• typename (parameters) { statements }

• function type name(parameters) { statements }

What happens if a function is called before it is declared?

• The program will throw a runtime error

• The program will not compile

• The program will compile successfully

• The function will execute but return an error

What is the purpose of a function prototype?

• To execute the function

• To call the function

• To declare the function without defining it

• To define the function completely

What is the output of the function 'subtraction(int a, int b)' when called with arguments (7, 2)?

• 7

• 3

• 9

• 5