Suppose a Is the Set Composed of All

question 14

Essay

Suppose A is the set composed of all ordered pairs of positive integers. Let R be the relation defined on A where (a, b) R(c, d) means that a+d=b+c .
(a) Prove that R is an equivalence relation.
(b) Find [(2,4)] .

Recognize the role of observational research in understanding consumer behavior.

Comprehend the use and significance of experiments and field experiments in marketing research.

Understand the process of data collection and analysis in marketing research.

Recognize the use of technology in marketing research, including digital methods and neuromarketing techniques.

---

Definitions:

Sensitivity to Touch

The ability to perceive and respond to tactile stimuli, an important aspect of sensory processing.

Prenatally

Referring to the period before birth, during the development of the fetus within the mother's womb.

Mouth

The opening in the face of humans and many animals, used for eating, breathing, and speaking, encased by the lips and leading to the throat and digestive tract.

Innate Preference

A natural or instinctual liking or inclination towards something without the need for learning or experience.