Question

What change is needed to make this relation a function?
{(1, 2), (2, 5), (3, 8), (3, 9)} ?

Answer 1

the x must be different

Answer 2

for the 3,9 it should be 4.

Answer 3

here are the chocies

Answer 4

Change the 8 to a 5.

Change one of the 3's to a number not yet used.

Change both 2's to 6's.

No changes are needed.

Answer 5

B