A newly made car will have a model number, a parts number, and a serial number. A model number is assigned by the manufacturer to identify each type of car. A parts number identifies one part of the smaller parts that make up the car. A serial number is unique to each car produced and identifies it.

Which relation is a function?

(parts number, serial number)

(model number, parts number)

(serial number, model number)

(serial number, part number)

Question

A newly made car will have a model number, a parts number, and a serial number. A model number is assigned by the manufacturer to identify each type of car. A parts number identifies one part of the smaller parts that make up the car. A serial number is unique to each car produced and identifies it.

Which relation is a function?

 (parts number, serial number)

 (model number, parts number)

 (serial number, model number)

 (serial number, part number)

anonymous · Answer

C. (Serial number, model number)

undeadknight26 · Answer

I think it is C?