Which proportional relationship has the greatest unit rate the table or the equation? Tell how you arrived at your answer, showing all work.

Answer:
Notice that:
[tex]\begin{gathered} 4=2\cdot2, \\ 6=2\cdot3, \\ 8=2\cdot4, \\ 10=2\cdot5, \\ 12=2\cdot6. \end{gathered}[/tex]Therefore:
[tex]y=2x\text{.}[/tex]