A Model of the Form $y ^ { 2 } = 4 p x$

question 107

Multiple Choice

A model of the form $y ^ { 2 } = 4 p x$ is given. Identify the focus, and write an equation for the directrix.
- $$y ^ { 2 } = - 3 x$$

• A) focus: \(\left( - \frac { 3 } { 4 } , 0 \right)\); directrix: \(x = \frac { 3 } { 4 }\)
• B) focus: \(\left( 0 , \frac { 3 } { 4 } \right)\); directrix: \(y = - \frac { 3 } { 4 }\)
• C) focus: \(\left( - \frac { 3 } { 4 } , 0 \right) ;\) directrix: \(x = - \frac { 3 } { 4 }\)
• D) focus: \(\left( 0 , - \frac { 3 } { 4 } \right) ;\) directrix: \(y = \frac { 3 } { 4 }\)

Understand the role of advertising and personal selling in reducing postpurchase anxiety.

Recognize how social media and direct marketing empower consumers during the purchase stage.

Understand the importance of pretesting, executing, and assessing in the promotion decision process.

Know the incentives used by manufacturers to encourage the movement of products through the channel.

---

Definitions:

Decades

Periods of ten years, used as a means of referencing and organizing time in historical and sociocultural analysis.

American Stratification System

The hierarchical organization of social classes in the United States, characterized by unequal distribution of wealth, income, and societal influence.

Larry Ellison

Co-founder of Oracle Corporation, a major software and technology company, known for his contributions to the development of database management systems.

Achievement

The accomplishment or attainment of personal goals, often recognized by success or honors.