Social security numbers (SSN) are unique identifiers for every person in the United States. Each person relating to their SSN would be a function...

1. Social security numbers (SSN) are unique identifiers for every person in the United States. Each person relating to their SSN would be a function because no two people can have the same SSN. Describe an everyday situation between variables in your field that is a function. Be sure to explain exactly why the situation is a function.

2. For any given equation of a function, how do you determine if the function is even, odd, or neither?

3. Find the values, given the following functions:

F(x)2-2x-4 and g(x)-4

A. f(0)

B. f(x+3)

C. f(x)+g(x)

D. f(g(x))