Question

Which of the following is an example of a function?

{(3, 4), (4, 8), (6, 6), (7, 10)}

{(0, 2), (1, -4), (1, -3), (3, 6)}

{(-1, 4), (0, 3), (0, -2)}

{(5, 7), (6, 8), (6, 9), (7, 10)}

Answer 1

This question tests your understanding of the definition of function: for each point on the horizontal axis, there should only be one corresponding value on the vertical axis (the converse is not true).

Answer 2

From here, you should be able to deduce the functions based on the group points given to you in each set.

Answer 3

would my answer be
{(3, 4), (4, 8), (6, 6), (7, 10)}

Answer 4

@Kira_Yamato

Answer 5

That's the answer I have