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)

i will give medals and follow

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)




i  will give medals and follow

563blackghost · Answer

A function is like a machine there is an input and an output. So which do you think is the input?

563blackghost · Answer

Because the serial number is unique that would mean we would use that as the input and the output would be the model number. So what is the answer?

563blackghost · Answer

The second explanation is from None: https://answers.yahoo.com/activity/questions?show=4VJSEPUSBZQP62ER4OLM5X75HI&t=g