## Chapter 2

*Go back*
Section 2.1, Question 2
Section 2.1, Question 3
Section 2.2, Question 2
Section 2.3, Question 1
Section 2.3, Question 2
Section 2.3, Question 3
Section 2.4, Question 2
## Chapter 3

*Go back*
Section 3.2, Question 1
## Chapter 4

*Go back*
Section 4.2, Question 1
Section 4.2, Question 2
Section 4.4, Question 1
Section 4.4, Question 2
Section 4.4, Question 3
## Chapter 7

*Go back*
Section 7.4, Question 2
Section 7.4, Question 3