In a FLWOR query structure, the _____ clause declares a variable and gives it an initial value.

Which of the following is a precondition for a method that accepts a number n and computes the nth Fibonacci number?

a. n is a negative integer b. n is a positive integer c. n is greater than 1 d. n is an even integer

_____ is the starting point for measuring the performance, accuracy, and completeness of the finished system before entering the systems design phase.?

A. ?Software requirements specification B. ?Request for quoting document C. ?Software license D. ?Maintenance agreement