Question

PLEASE HELP! 15 POINTS!

Answer 1

B is the correct one

Answer 2

For every x value, there should be only one y value. Or, for every input there is only one output.

A - Incorrect - there are two 2's for the x values and each of them has a different y value

B - Correct - all of the x values are different and all of the y values are different

C - Incorrect - there are two 11's for the x values and each of them has a different y value

D - Incorrect - there are two 3's for the x values and each of them has a different y value

Hope this helps! :)