Question $26(1$ point$)$

Given table STUDENT $($STU$\_$NUM, STU$\_$LNAME, STU$\_$FNAME, STU$\_$PHONE$),$ it is appropriate to say:

STU$\_$NUM is functionally dependent on STU$\_$PHONE. STU$\_$PHONE is functionally dependent on STU$\_$LNAME,FNAME. STU$\_$PHONE is functionally dependent on STU$\_$NUM. STU$\_$NUM is functionally dependent on STU$\_$LNAME