mat117_appendix_d2

# mat117_appendix_d2 - Axia College Material The Environment...

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Axia College Material Cathy Bandelow MAT 117 Appendix D The Environment Environmental and wildlife preservation ensures future generations will have available resources and can enjoy the beauty of Earth. On the other hand, some of the damage humans have already done to the environment is expensive and time consuming to eradicate. Application Practice Answer the following questions. Use Equation Editor to write mathematical expressions and equations. First, save this file to your hard drive by selecting Save As from the File menu. Click the white space below each question to maintain proper formatting. 1. The cost, in millions of dollars, to remove x % of pollution in a lake modeled by C=6000 200-2x a. What is the cost to remove 75% of the pollutant? C = 6000 = 6000 = 6000 = \$120 million 200-2(75) 200-150 50 b. What is the cost to remove 90% of the pollutant? C = 6000 = 6000 = 6000 = \$300 million 200-2(90) 200-180 20 c. What is the cost to remove 99% of the pollutant? C

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## This note was uploaded on 11/14/2010 for the course MAT 116 MAT 116 taught by Professor Chrisdeeter during the Spring '09 term at University of Phoenix.

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mat117_appendix_d2 - Axia College Material The Environment...

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