In the spiral model of software development, the primary determinant in selecting activities in each iteration is ________.
The cyclomatic complexity metric provides the designer with information regarding the number of ________.
A carpenter needs to make a wooden cuboidal box, closed from all sides, which has a square base and fixed volume. Since he is short of the paint required to paint the box on completion, he wants the surface area to be minimum.
On the basis of the above information, answer the following questions :
Find \( \frac{dS}{dx} \).
