A Recursive Method That Computes the Number of Groups of K

question 17

Multiple Choice

A recursive method that computes the number of groups of k out of n things has the precondition that ______.

• A)n is a positive number and k is a nonnegative number
• B)n is a nonnegative number and k is a positive number
• C)n and k are nonnegative numbers
• D)n and k are positive numbers