Exercises for the seventh tutorial

This time we will look at exercises from some old exams, perhaps the following ones:

1. Exercise 1 from the exam from December 2010.

2. Exercise 2 from the exam from December 2010.

3. Exercise 1b from the exam from January 2017.

4. Exercise 3 from the exam from December 2010.

5. Exercise 1 from the exam from December 2013.

6. Exercise 5 from the exam from April 2017.

7. Exercise 6 from the exam from April 2014.

8. Exercise 7 from the exam from April 2010.

9. Exercise 6 from the exam from January 2017.