Answer:
idont know what's the answer but goodluck bro<em><u> </u></em><em><u>loveyou</u></em>
To check if a relation is a function, given a mapping diagram of the relation, use the following criterion: If each input has only one line connected to it, then the outputs are a function of the inputs.
Answer:
C
Step-by-step explanation:
idk
If she picks 2/4 in half an hour she must pick 1.5 in an hour (2/4 x 2) so times that by 2 then its 3