Write a function header for each of the following: 5.1 5.2 5.3 A function calcOutcome that receives a student's moduleMark and then returns true if the moduleMark is greater than 50, or else returns false. (2) A function calcAverage that receives a one-dimensional array assignMarks and its size as parameters; then calculates and returns the average of the assignment marks. (2) Avoid function multiply, that receives an integer as a parameter and multiply it by two. The changed value is reflected in the calling program. (2)