Test 1 covers up through Homework Set 5. In your testbook this is Sections 1.1, 2.1-2.6, 3.1, 3.3, 3.4. But, there will only be one simple problem from Chapter 3. There will be a word problem (2.3).
Be sure to study the practice problems on pages 133-134 on the textbook. Anwsers are in the back of the book.