Look at the following function prototype. int myfunction(double); what is the data type of the function's return value?

The return type is of an int (integer)

The data type that is present before the name of the method/function is the return type, and indicates what type of data is being returned back to where it came from (e.g. int, float, string, char, bool, void etc.).

Solution: the categorization of functional and non-functional requirement are as follows: some of the more typical functional requirements include: • business rules• transaction corrections, adjustments and cancellations• administrative functions• authentication• authorization levels• audit tracking• external interfaces• certification requirements• reporting requirements• historical data• legal or regulatory requirementswhile,some typical non-functional requirements are: • performance – for example response time, throughput, utilization, static volumetric• scalability• capacity• availability• reliability• recoverability• maintainability• serviceability• security• regulatory• manageability• environmental• data integrity• usability• interoperability