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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 COHb level capable of causing a coma can be approximated by the quadratic model T = .0002x² - .316x + 127.9, where T is the exposure time in hours necessary to reach this level and 500 ≤x≤ 800 is the amount of carbon monoxide present in the air in parts per million (ppm). a) What is the exposure time when x = 610? b) Estimate the concentration of CO necessary to produce a coma in 6 hr. What is the exposure time when x = 610? hr (Round to the nearest tenth as needed.)

High concentrations of carbon monoxide CO can cause coma and possible death. The time required for a person to reach a COHb level capable of causing a coma can be approximated by the quadratic model T = .0002x² - .316x + 127.9, where T is the exposure time in hours necessary to reach this level and 500 ≤x≤ 800 is the amount of carbon monoxide present in the air in parts per million (ppm). a) What is the exposure time when x = 610? b) Estimate the concentration of CO necessary to produce a coma in 6 hr. What is the exposure time when x = 610? hr (Round to the nearest tenth as needed.)

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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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 COHb level capable of causing a coma can be approximated by the quadratic model T = .0002x² - .316x + 127.9, where T is the exposure time in hours necessary to reach this level and 500 ≤x≤ 800 is the amount of carbon monoxide present in the air in parts per million (ppm). a) What is the exposure time when x = 610? b) Estimate the concentration of CO necessary to produce a coma in 6 hr. What is the exposure time when x = 610? hr (Round to the nearest tenth as needed.)
Transcribed Image Text:High concentrations of carbon monoxide CO can cause coma and possible death. The time required for a person to reach a COHb level capable of causing a coma can be approximated by the quadratic model T = .0002x² - .316x + 127.9, where T is the exposure time in hours necessary to reach this level and 500 ≤x≤ 800 is the amount of carbon monoxide present in the air in parts per million (ppm). a) What is the exposure time when x = 610? b) Estimate the concentration of CO necessary to produce a coma in 6 hr. What is the exposure time when x = 610? hr (Round to the nearest tenth as needed.)
Expert Solution
Step 1: Introduction

Given that

The time required for a person to reach a COHb level capable of causing a coma can be approximated by the quadratic model

Tequals.0002 x squared minus.316 x plus 127.9

And also given that 500 less or equal than x less or equal than 800

We have to find exposure time when x = 610

And also we have to estimate the concentration of CO necessary to produce a coma in 6 hr.

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