ted: Jan $8$ at $8$:$31$pm

uiz Instructions

Question $4$

$1$ pts

Consider the set of ordered pairs of the form $(x,y)$ belolv. Decide: Does the set of ordered pairs define a function?

$A$:$=\{(***,$ apple $),($ apple $,$@$),(1,),(2,)\}$

Yes, because each input is assigned a unique output.

Yes. because every relation between two sets is a function.

No$,$ because there is an input which is assinged to more than one output.

No$,$ because there is an input with no assigned output.