Section 4.4, Example 7 and Example 8 on page 283. (This will help you with problem 70 of 5.1).

Appendix B: Properties of the Natural Logarithmic Function page A18

Appendix B: Page A20-A21, Theorem 5.15 and its proof.

Appendix B: Page A20, Theorem 5.9 and its proof.

Example 7, page 384. This will help with one of the word problems in HW 4.