1. Which number is not an element of the domain of the given relation? {(-2,4), (0,4), (1,2), (3,2)}

2. A function of x containing four ordered pairs of the form (x, y) is shown below:

{(2,3), (4,5), (6,7), (8,9)}

What is the domain of the function?

3. Which number is not an element of the range in the relation shown?

{(4, -1), (-1, 5), (-4, 1), (-5, 4)}

4. A function of x containing four ordered pairs of the form (x, y) is shown below:

{(2,0), (4, 0), (6,0), (8,0)}

What is the range of the function?