Question

Which relations are functions?

A. Choose all answers that are correct
http://static.k12.com/calms_media/media/1519500_1520000/1519822/1/4e48e81f58b9409fda4f6efebf6f192082d6154d/MS_IMC-140828-106025.jpg

B. x -2 0 3 5
y 1 3 2 3

C. http://static.k12.com/calms_media/media/1519500_1520000/1519823/1/3a6a05db508b1924e919e7e392ad0673fc70d925/MS_IMC-140828-106026.jpg

D.
{(−3, 5), (−1, 3), (2, 2), (2, 6)}

Answer 1

i'm sure its A but i'm not sure about the rest :/

Answer 2

@Mimi_x3

Answer 3

Ya i think is A and B

Answer 4

in order for a relation to be a function
each x have to have exactly one corresponding y values
if the same x is share btw more than one y then it is no function

Answer 5

look at your x's and see if any repeats with a different y

Answer 6

i did that i thought maybe A and B were :3

Answer 7

i wanted to check if i was right

Answer 8

yes! those are correct
the first one you check it with vertical line test
and it passes the test
the second
there is no repeating x with a different y values assigned to it so
it is a function as well

Answer 9

:) thank you i'll tell you if its right or not :3

Answer 10

welcome!

Answer 11

Btw thanx i got a 100% yesterday xD