## Labels

### GED Math Review: Functions

Questions:

A. Determine if each table represents a              function. Explain why or why not.

1. ________________________
________________________

2. ________________________
________________________

B. Determine if each graph represents a function. Explain why or why not.

3. ________________________
________________________

4. ________________________
________________________

C. Determine if each relationship represents a function. Explain your reasoning.
5. the high temperature in St. Louis based on the date last year
______________________________________
6. the date last year based on the high temperature in St. Louis
______________________________________
7. a street address based on the five-digit zip code
______________________________________
8. at Northwest Savings Bank, a bank account balance based on an account number
______________________________________
9. at Northwest Savings Bank, a bank account balance based on an account balance
______________________________________

1. Yes
2. No
3. No
4. Yes
5. Yes
6. No
7. No
8. Yes
9. No

Reference:

Complete Test Preparation for the GED Test 2014 by Steck-Vaughn