Algebra And Trigonometry 6th. Edition Annotated Instructor's Copy Blitzer

6th Edition

ISBN: 9780134466088

Author: Blitzer

Publisher: PEARSON

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Textbook Question

Chapter 8.4, Problem 63E

Between 1990 and 2013, there was a drop in violent crime and a spike in the prison population m the United States. The bar graph shows the number of violent crimes per 100,000 people and the number of imprisonments per 100,000 people for six selected years from 1990 through 2013.

Chapter 8.4, Problem 63E, Between 1990 and 2013, there was a drop in violent crime and a spike in the prison population m the

a. Based on the information in the graph, it appears that there was a year when the number of violent crimes per 100.000 Americans was the same as the number of imprisonments

per 100,000 Americans. According to the graph, between which two years did this occur?

b. The data can be modeled by quadratic and linear functions

$$$ y = 0.6 x 2 − 28 x + 730

$$$ − 15 x + y = 300

In each function, r represents the number of years after 1990 and y represents the number per 100,000 Americans. Solve a nonlinear system to determine the year described in part (a). Bound to the nearest year. How main violent crimes per 100,000 Americans and how many imprisonments per 100,000 Americans were there in that year?

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Chapter 8.4, Problem 62E

Chapter 8.4, Problem 64E

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Chapter 8 Solutions

Algebra And Trigonometry 6th. Edition Annotated Instructor's Copy Blitzer

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Solution Summary: The graph shows that the number of violent crimes per 100,000 Americans was equal to that of imprisonments per 1000,000 people between 1990 and 2005.

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