# Homework Hints 3-1

Problems 1-4
You should spend about five minutes in answering each of these questions. Read about these ideas in the text.

Problems 5-8
See the examples in text immediately following the “statement” box. Remember, a statement is a sentence which can be classified as either true or false (but not both).

Problems 9-19
Use the definition of and, or, and not when looking at the president’s pictures.

Problems 20-27
See Examples 1 and 2 as well as Table 3.4.

Problems 29-30
Work from the symbolic statement as shown in Example 4. That is, start with the given statement, then fill in the truth values, and finally simplify.

Problems 31-32
See Example 3. Remember the logical connectives are “and”, “or”, and “not.”

Problems 33-34
See Example 5. Remember the logical connectives are “and”, “or”, and “not.”

Problems 35-40
See Example 5. Remember the logical connectives are “and”, “or”, and “not.”

### Note: Homework Hints are given only for the Level 1 and Level 2 problems.

However, as you go through the book be sure you look at all the examples in the text. If you need hints for the Level 3 problems, check some sources for help on the internet (see the LINKS for that particular section. As a last resort, you can call the author at (707) 829-0606.

On the other hand, the problems designated “Problem Solving” generally require techniques that do not have textbook examples.

There are many sources for homework help on the internet.

Algebra.help
Here is a site where technology meets mathematics. You can search a particular topic or choose lessons, calculators, worksheets for extra practice or other resources.
http://www.algebrahelp.com/

Quick Math
This site provides online graphing calculators. This is especially useful if you do not have your own calculator.
http://www.quickmath.com/

The Math Forum @ Drexel
This site provides an internet mathematics library that can help if you need extra help. For additional homework help at this site, click one of the links in the right-hand column.
http://mathforum.org/