Question

Which of the following tables represents a function?

X 6 6 7 7
y 2 -2 3-3
x 2-2 3-3
y 5 5 7 7
x 3 -3 3-3
y 6 7 8 9
X 4 4 5 5
y 1 2 3 4

Answer 1

The second one:

x 2-2 3-3

y 5 5 7 7

Explanation:

Each domain value or x can only have one range, y, so, with that said, the second one is the answer.