Evaluate the Integral by Changing the Order of Integration in an Appropriate

question 313

Multiple Choice

Evaluate the integral by changing the order of integration in an appropriate way.
- $$\int _ { 0 } ^ { 1 } \int _ { 0 } ^ { 7 } \int _ { y } ^ { 7 } \frac { x \sin z } { z } d z d y d x$$

• A) \(\frac { 1 - \cos 7 } { 2 }\)
• B) \(\frac { 1 + \sin 7 } { 2 }\)
• C) \(1 + \cos 7\)
• D) \(1 - \sin 7\)

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Definitions:

Price Discrimination

An approach to pricing in which a single provider sells almost identical goods or services at varying prices across different markets.

Consumer Surplus

The variance between what consumers are prepared and can afford to pay for a product or service and the actual amount they end up paying.

Marginal Cost

The additional cost incurred from producing one more unit of a product or service.

Two-part Tariff

A pricing strategy that involves a fixed fee in addition to a variable charge for each unit of the product consumed.