Write the Set in Set-Builder Notation $\{ 9,12,15,18 , \ldots , 39 \}$

question 72

Multiple Choice

Write the set in set-builder notation.
- $\{ 9,12,15,18 , \ldots , 39 \}$

• A) \(\{ x \mid x\) is a multiple of 3 between 6 and \(42 \}\)
• B) \(\{ x \mid x\) is a multiple of 3 greater than \(9 \}\)
• C) \(\{ x \mid x\) is a multiple of \(3 \}\)
• D) \(\{ x \mid x\) is a multiple of 3 between 9 and \(39 \}\)

---

Definitions:

Customer-Oriented Selling

The adoption of the marketing concept at the level of the individual salesperson and customer.

Customer-Oriented

This concept involves prioritizing customer needs and satisfaction in all aspects of a company’s operations and decision-making processes.

Feature-Advantage-Benefit Approach

A sales strategy that involves highlighting a product's features, explaining their advantages, and demonstrating how they provide benefits to the customer.

SPIN Acronym

Stands for Situation, Problem, Implication, Need-payoff, and is a sales technique used to identify and provide solutions to customer problems.