An in-class exercise #1

Frank Ritter

23 December 2000

Name:

 

Date:

 

1. Explain what this is (sigma), and how does it work?    

 

 

2. Solve (expand) this equation:    (x+1)^3

 

 

3. Log10(10) = ?

 

 

4. 2^5 = ?

   3^3 = ?

 

 

5. Is {a b} a subset of {b c d e f}?

 

 

6. Define the natural numbers, integers, and real numbers.

 

 

7. What is the multiplicative inverse (in the real numbers) of 4?