Use the Following to Answer Question

question 7

Multiple Choice

Use the following to answer question:
-Heat is added to a substance at a constant rate.The substance starts as a solid and is melted; the liquid is heated and vaporized; finally,the vapor is heated.This process is shown in the graph.The latent heat of fusion can be found by

• A)multiplying the length of B (in seconds)by the rate at which heat is added,and dividing by the mass of the substance.
• B)multiplying the length of D (in seconds)by the rate at which heat is added,and dividing by the mass of the substance.
• C)multiplying the slope of A by the rate at which heat is added,and dividing by the mass of the substance.
• D)multiplying the slope of C by the rate at which heat is added,and dividing by the mass of the substance.
• E)multiplying the slope of E by the rate at which heat is added,and dividing by the mass of the substance.

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Definitions:

Indirect Discrimination

practices or policies that appear neutral but result in unfair treatment of certain groups without direct intention to discriminate.

Robinson-Patman Act

Part of a group of laws collectively called the antitrust laws governing competition in the United States. Under the Robinson–Patman Act, it’s illegal to give or receive a price discount on a good sold to another business. This law does not cover services and sales to final consumers.

Price Discrimination

The strategy of selling the same product to different customers at different prices, often based on their willingness or ability to pay.

Elastic Demand

A scenario in which a notable fluctuation in the demand for a product or service occurs due to a variation in its price.