Name the Property Demonstrated in Each Real Variable Expression $$x y = y x$$

question 4

Short Answer

Name the property demonstrated in each real variable expression.
- $$x y = y x$$

---

Definitions:

Adducts

The movement of a limb or other part toward the midline of the body or toward another part.

Swan-neck Deformity

A condition characterized by hyperextension of the proximal interphalangeal joint and flexion of the distal interphalangeal joint of the fingers, often associated with rheumatoid arthritis.

Ulnar Deviation

A hand condition where the fingers bend towards the ulna bone and the outer side of the forearm, often associated with rheumatoid arthritis.

Rheumatoid Arthritis

A chronic autoimmune condition causing inflammation, pain, and deformity in the joints.