Read and take notes on Text Sections 8.1 and 8.2.

Work Sections 7.1 and 7.2 problems at the link Ch 7 Problems.  These problems correspond to Ch 8.1 and 8.2 of the present edition of the text.

The 'Ch 7' reference is to the sequencing of chapters in an earlier edition of the book.  Ch 7 in that text corresponds to Ch 8 in the present version.