Determine if the relations beloo are fiunctions $($state $yr\frac{a}{n}o$ on the blanki$)$:

$[3]$

al $$

r$)$

$$

el

el

c$)$

$$

$$

$8$

$\backslash$table$[[x,4],[0,1],[1,2],[2,-],[3,8]]$

d $$

$$