Question

Purebred dogs are first assigned the same litter number until they are individually registered with a name. Then the dogs will be assigned a unique registration number with a dog registry. Many people choose to have a microchip implanted in the dog so that it can be read to immediately find the dog's owner.

Which of the following relations is not a function?

A. (registration number, litter number)

B. (microchip number, registration number)

C. (litter number, microchip number)

D. (microchip number, litter number)

Answer 1

it's C

Step-by-step explanation:

Answer 2

We know by the options you are giving that the option C (litter number, microchip number) is not a function. We know it is like this because the same litter number can be assigned to multiple dogs with different microchip numbers.Hope this helps you a lot