The NOW function formats the result as a date and time

For this iterator which of the following is correct? If correct what does the expression produce?

Suppose we have the following definition: ``` vector vec; // use push_back to put 10 values into vec here. vector::iterator itr1, itr2,itr3; itr1 = vec.begin(); itr2 = vec.begin() + 5; itr3 = vec.end(); ``` a) ``` *iter1 ``` b) ``` itr2[3] ``` c) ``` itr + 3 ``` >>>there is no itr, Do you mean itr3? d) ``` itr – 3 ``` e) ``` itr3 – itr1 ``` (if valid, what does this produce?) >>You asked for what is produced for all of them in intro to question

?Operational feasibility takes into account the need to meet certain system performance requirements that are considered important to system users and stakeholders.

Answer the following statement true (T) or false (F)