Answer:
"int result= doubleIt(15);" is the correct answer for the above question
Step-by-step explanation:
- The function in a c++ programming is used to perform some specific tasks for the user. If a user wants to use any function, Then there is needs to do three things, which are as follows:-
- Firstly, there is needs to give the prototype for any function,
- Then there is a needs to define the function body.
- Then there is needs to call the function
- The function can be called by the help of " data_type variable_name = function_name (argument_list);" syntax in c++.