Rapid Application Development is the specific term
Answer: e) mkdir -p ~/Documents/papers
Explanation:
As the question says we want to create a directory called ~/Documents/papers, but we are not sure whether it exist or not so we would type the command for making directory starting with mkdir.
Here mkdir means make directory. Followed by mkdir we will use -p. Here p is used to create all the directories for getting us the directory we want and its advantage is that it would ignore all the errors if the directory already exist.
Followed by the name of the directory that we want to create.
So the desired answer for the given condition would be mkdir -p ~/Documents/papers
The answer & explanation for this question is given in the attachment below.
Answer:

Explanation:
We'll be using u-substitution for this problem.
Let

Substitute

Split the fraction

Move the constants out

Simplify

Integrate

Substitute

read that hope this helped