scag5e_ppt_6_8

# scag5e_ppt_6_8 - time (that is increase four times)?...

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Section 6.8 Exponential Growth and Decay Models; Newton’s Law; Logistic Growth and Decay Models

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OBJECTIVE 1

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A colony of bacteria grows according to the law of uninhibited growth according to the function where N is measured in grams and t is measure in days. ( 29 0.05 90 , t N t e =

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A colony of bacteria increases according to the law of uninhibited growth. (a)If the number of bacteria doubles in 4 hours, find the function that gives the number of cells in the culture. (b)How long will it take for the size of the colony to triple? (c)How long will it take for the population to double a second

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Unformatted text preview: time (that is increase four times)? OBJECTIVE 2 OBJECTIVE 3 An object is heated to 75C and is then allowed to cool in a room whose air temperature is 30C. (a) If the temperature of the object is 60 after 5 minutes, when will its temperature be 50? (b) Using a graphing utility, graph the relation found between the temperature and time. (c) Using a graphing utility, verify the results from part (a). (d) Using a graphing utility, determine the elapsed time before the object is 35C. (e) What do you notice about the temperature as time passes? OBJECTIVE 4...
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## This note was uploaded on 11/07/2011 for the course MAT 151 taught by Professor Tandy during the Summer '10 term at University of Phoenix.

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scag5e_ppt_6_8 - time (that is increase four times)?...

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