Question

(03.01)

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)

Answer 1

The answer you want is letter C, have a good day

Answer 2

Hi!

The corrects answers are:

•(serial number, model number)

Explanation:

First, you have to understand the meaning of a function, that is an a relation but have the condition:

The input must be relationed with only one output.

The question says:

"A serial number is unique to each car produced and identifies it." so this will be you input, and will be related with only one model number.