17.7 Introduction to Function Objects and Lambda Expressions 1107 Checkpoint enoted by twO hat does the first 17.38 What must you do to a range of elements before searching it with the binary If the elements that you are sorting with the sort () function contain your own class objects, you must be sure that the class overloads what operator? 17.39 Assume vect is a vector that contains 100 int elements, and the following statement appears in a program: 17.42 for_each(vect.begin(), vect.end() myFunction) Without knowing anything else about the program, answer the following questions: A) What is myFunction? B) How many arguments does myFunction accept? What are the data type(s) of the argument(s)? C) What value does myFunction return? D) How many times will the statement cause myFunction to be called