Answer:
1. Once you found information that matches the topic and requirements of your research, you should analyze or evaluate these information sources. Evaluating information encourages you to think critically about the reliability, validly, accurately, authority, timeliness, point of view or bias of information sources.
2. The first step of evaluating an argument is making an inference connection. The second step is asserting premise acceptability. 2 questions to ask is (1) Is this argument valid and (2) Is this argument sound or unsound.
i don't know if my answer is helpful but maybe she is using it to prevent users from accessing the recursive method directly
Answer = sqrt(sqrt(x))
Is this what ur looking for?
QR codes were created to make a way for people to easily scan codes to get to a website. So you could scan (example) a movie poster to go to the website that has advertisements and tickets.