Question

Which of the following does not represent a function?

x 4 5 6 8 10
y 4 -4 12 -8 6

x 5 10 10 12 18
y 1 4 22 5 4

x -12 -5 11 14 17
y -5 -2 -2 8 34

x -10 1 3 8 10
y -2 2 7 8 10

Answer 1

the second one

Answer 2

since at x=10 there is two values for y

Answer 3

@1Omega9 If in a relation for same value of x there are two values of y, then that relation is not a function. Can you tell which is not a function?

Answer 4

* more than one