tell whether the given is a mere relation or is a function.
___1. a student to his/her LRN
___2. birthdate to celebrators
___3. pets to their master/owner
___4. a 3-in-1 coffee mix
___5. "jack 0f all trades"
___6. To each class, there corresponds eight subject teachers.
___7. During the ECQ, there corresponds one quarantine pass to each household.
___8. All human races correspond to one planet - earth.
___9. the distance traveled by a car moving at constant speed to the time elapsed
___10. your water bill the the amount of water consumed​