DECA+ Business Management and Administration Practice Exam 2025 - Free Business Management Practice Questions and Study Guide

The main function of advertising in marketing is to inform and persuade consumers about a product. Advertising serves as a crucial communication tool that helps businesses convey the value, benefits, and features of their products or services to the target audience. By effectively communicating this information, advertising aims to create awareness and interest among consumers, which can ultimately lead to increased sales and brand loyalty.

Through various forms such as television commercials, online ads, print media, and social media promotions, advertising can articulate the product’s unique selling proposition, highlight its advantages over competitors, and motivate potential customers to take action, such as making a purchase.

This focus on informing and persuading sets it apart from other options. While improving production efficiency or eliminating product flaws may be important for a business, those efforts do not directly relate to the primary purpose of advertising. Similarly, reducing competition is not a function of advertising; instead, it seeks to position a product favorably within the existing competitive landscape. Therefore, the emphasis on informing and persuading is what makes this answer accurate and relevant in the context of advertising's role in marketing.