176m Tall Man Looks at His Reflection in a Plane

question 22

Multiple Choice

1.76m tall man looks at his reflection in a plane mirror.He stands 4.2m away from the window.How far from his eyes are the images of his feet? Assume his eyes are 5cm below the top of his head.

• A) 8.4m
• B) 11.1m
• C) 4.2m
• D) 4.53m

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Definitions:

Industry Supply Curve

A graphical representation that shows the relationship between the price of a good and the total output all firms in the industry are willing to produce.

Marginal Value

Additional benefit derived from purchasing one more unit of a good.

Consumer Surplus

The gap between the price consumers are ready to pay for a good or service and the price they actually incur.

Marginal Revenue

The surplus revenue acquired from the sale of one more unit of a good or service.