Yes 1 and 3 are supplementary
I can't answer your question if you dont give me answer choices! I'm sorry i couldn't help!
<span>12 edges and 8 vertices, so 12:8 or 3:2
Hope this helps!</span>
Option a is not a function because for x = 0, y = 3 and 4.
option b is a function.
option c is not a function because for x = 2, y = 1 and 8.
option d is not a function because for x = 1, y = -3 and 4
