2.2. 10 pts) For each of the following cases, write an expression in terms of n for the value returned by executing what(n), where n is a positive integer value. Your solution must be an expression with only a constant number of operations. (closed expression) Java Code Expression in terms of n for the value of what (n) Example CASE public int what (int n) Solution of Example CAS int x -0; for (int i=0; return x; i