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High concentrations of carbon monoxide CO can cause coma and possible death. The time required for a person to reach a COHD level capable of causing a coma can be approximated by the quadratic model T= .0002x² - .316x + 127.9, where Tis the exposure time in hours necessary to reach this level and 500 sxs 800 is the amount of carbon monoxide present in the air in parts per million (ppm). a) What is the exposure time when x = 520? b) Estimate the concentration of CO necessary to produce a coma in 4 hr. What is the exposure time when x= 520? hr

High concentrations of carbon monoxide CO can cause coma and possible death. The time required for a person to reach a COHD level capable of causing a coma can be approximated by the quadratic model T= .0002x² - .316x + 127.9, where Tis the exposure time in hours necessary to reach this level and 500 sxs 800 is the amount of carbon monoxide present in the air in parts per million (ppm). a) What is the exposure time when x = 520? b) Estimate the concentration of CO necessary to produce a coma in 4 hr. What is the exposure time when x= 520? hr

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter8: Polynomials
Section8.1: Adding And Subtracting Polynomials
Problem 44PPS
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High concentrations of carbon monoxide CO can cause coma and possible death. The time required for a person to reach a COHD level capable of causing a coma can be approximated by the quadratic model T= .0002x² - .316x + 127.9, where Tis the exposure time in hours necessary to reach this level and 500 sxs 800 is the amount of carbon monoxide present in the air in parts per million (ppm). a) What is the exposure time when x = 520? b) Estimate the concentration of CO necessary to produce a coma in 4 hr. What is the exposure time when x= 520? hr
Transcribed Image Text:High concentrations of carbon monoxide CO can cause coma and possible death. The time required for a person to reach a COHD level capable of causing a coma can be approximated by the quadratic model T= .0002x² - .316x + 127.9, where Tis the exposure time in hours necessary to reach this level and 500 sxs 800 is the amount of carbon monoxide present in the air in parts per million (ppm). a) What is the exposure time when x = 520? b) Estimate the concentration of CO necessary to produce a coma in 4 hr. What is the exposure time when x= 520? hr
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