Question

If F = {(2, -4), (2, 7) (3, 5), (4, -1), (8, 7)}, then F is a function.
True or False

Answer 1

Do you see all your x and y values ? A function will not have x values that are the same. They can have y values that are the same, but not x values that are the same. So what do you think the answer is ?

Answer 2

I think the answer is False

Answer 3

and you are correct...because there are 2 x values that are the same

Answer 4

Thank you

Answer 5

sure thing :)