Question

Please help!! Stuck on question! Algebra

Determine which relation is a function.
A:https://static.k12.com/calms_media/media/1348000_1348500/1348055/1/cfa6c5ea717fc9d2fdaf4cf2669466e9a607e439/116039a.jpg

B: https://static.k12.com/calms_media/media/1348000_1348500/1348056/1/636c9e4e4c209402edf52d578d76f7b909393849/116039b.jpg

C:https://static.k12.com/calms_media/media/1348000_1348500/1348057/1/d42b2e86f6ad30f9d8561318d1b7703097805bcd/116039c.jpg

D: https://static.k12.com/calms_media/media/1348000_1348500/1348058/1/17ab62b94b70aa41d018efebe061a64374c81d1d/116039d.jpg

I think it's

Answer 1

I think it's D.

Answer 2

To test if any graph is a function or not, we use the vertical line test. If a theoretical vertical line touches the graph at two places, it is not a function.

Answer 3

I would also agree that it is D. Nice job!

Answer 4

Thank you so much!