Many Supermarkets Use Loyalty or Discount Cards to Keep Track

question 75

Essay

Many supermarkets use loyalty or discount cards to keep track of who buys which items. How can graphs be used to model this relationship? Should the edges be directed or undirected? Should multiple edges be allowed? Should loops be allowed? Does this graph have any special properties?

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Definitions:

Vitamins A

A group of fat-soluble vitamins that play an essential role in vision, growth, cell division, reproduction, and immunity.

Vitamins D

A group of fat-soluble secosteroids responsible for increasing intestinal absorption of calcium, magnesium, and phosphate, and multiple other biological effects, primarily known for their role in bone health.

Teratogens

Environmental influences or agents that can damage the embryo or fetus.

Fetal Movements

Physical movements or responses initiated by the fetus inside the uterus, often felt by the mother, especially in the later stages of pregnancy.