Solve the Problem $\frac { x ^ { 2 } } { 25 } + \frac { y ^ { 2 } } { 324 } = 1$

question 198

Multiple Choice

Solve the problem.
-A railroad tunnel is shaped like a semi-ellipse. The height of the tunnel at the center is 18 ft and the vertical clearance must be 12 ft at a point 5 ft from the center. Find an equation for the ellipse.

• A) \(\frac { x ^ { 2 } } { 25 } + \frac { y ^ { 2 } } { 324 } = 1\)
• B) \(\frac { x ^ { 2 } } { 45 } + \frac { y ^ { 2 } } { 324 } = 1\)
• C) \(\frac { x ^ { 2 } } { 45 } + \frac { y ^ { 2 } } { 144 } = 1\)
• D) \(\frac { x ^ { 2 } } { 324 } + \frac { y ^ { 2 } } { 45 } = 1\)

Know the objectives and strategies of public relations campaigns.

Grasp the concept and significance of loyalty programs in customer retention.

Comprehend the budgeting methods and financial considerations in marketing promotions.

Recognize non-traditional forms of advertising and measure their effectiveness.

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Definitions:

Market Shares

The segment of a market dominated by a specific company or product.

Natural Monopolists

Firms that can provide a product or service at a lower cost than any competitor, often due to economies of scale, resulting in a single supplier in the market.

Industrial Regulation

Regulatory policies and procedures designed to control or supervise industries with the goal of promoting fair competition, reducing monopoly power, and protecting consumer interests.

Fair Return Price

A fair return price is a price level set for a product or service that allows a company to cover its costs while earning a reasonable profit, often discussed in the context of regulated industries.