Which one does NOT belong?

Exercise and reference answers

Questions

1. Items

   1. Domain
   2. Codomain
   3. Modulus
   4. Range

   Reason

   Modulus belongs to complex numbers. The other three describe a function.

   Odd item

   Modulus

2. Items

   1. Ordered pair
   2. Cartesian product
   3. Relation
   4. Work function

   Reason

   Work function is a physics term from the photoelectric effect.

   Odd item

   Work function

Instructions

Tap the item that does not belong with the rest.

Explanation