Question

Please Help :) ! Which is NOT a function ?

Answer 1

A. (1,10), (5,6), (6,5), (10,11)

Answer 2

B.

Answer 3

C. (3,5),(5,6), (7,7), (8,7)

Answer 4

It's not a function if one x value has two y values.

Answer 5

D.

Answer 6

THey all only have ONE @geerky42 ? Dont understand your question

Answer 7

Each x function as only y value ?

Answer 8

"THey all only have ONE"

Look closely at D.

Answer 9

Ohh ok there two x value that 5 ! ?

Answer 10

haha so the answer is D :) ?

Answer 11

yeah and it has both 15 and 25, which mean it doesn't pass vertical test, hence it's not a function, so yes, it is D.

Answer 12

Still don't understand?