Use the Graph Above Showing Data for the Brightest Galaxies

question 32

Multiple Choice

Use the graph above showing data for the brightest galaxies in clusters of galaxies to answer the following question. If new studies show that the exceptions are a class of galaxies with extraordinarily bright centers, which conclusion is not justified based on the plot and the findings of these new studies?

• A)Bright nuclei were more common long ago, since the light from more distant galaxies has been traveling much longer.
• B)Bright nuclei are caused by supermassive black holes surrounded by hot gas.
• C)Bright nuclei are more common in cluster galaxies that are farther away.
• D)Galaxies appear redder the farther away they are.

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Price Elasticity

A measure of how much the quantity demanded of a good changes in response to a change in its price.

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The strategy of selling the same product to different customers at different prices based on market segment, geographic location, or other variables.

Price Discrimination

The strategy of selling the same product to different customers at different prices based on various factors.