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Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter7: Exponents And Exponential Functions
Section7.8: Transforming Exponential Expressions
Problem 13PFA
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This situation below applies to the next four problems A bacterial colony is cultivated in a petri dish. Let z = f(x, y) refer to the population of the colony (in millions) after y days. æ refers to the number of milligrams of a chemical that is added to the dish at the beginning of the cultivation. x\y 10 | 20 30 | 40 50 75 221 67 100 300 38 45 58 66 81 71 76 80 100 15 18 30 200 || 24 30 42 400 || 66 68 500 70 70 71 73 75
Transcribed Image Text:This situation below applies to the next four problems A bacterial colony is cultivated in a petri dish. Let z = f(x, y) refer to the population of the colony (in millions) after y days. æ refers to the number of milligrams of a chemical that is added to the dish at the beginning of the cultivation. x\y 10 | 20 30 | 40 50 75 221 67 100 300 38 45 58 66 81 71 76 80 100 15 18 30 200 || 24 30 42 400 || 66 68 500 70 70 71 73 75
Complete the following interpretation of zy (200, 30). amount of chemical added increased number of days decreased 1.4 30 days after the colony was established with 200 mg of the chemical, the [Select] is [ Select ] by approximately [ Select ] the population is increasing 1.85 the rate of the population is decreasing 42 mg 100mg of the chemical [ Select ] for every additional [Select ] days millions of organisms day million organisms
Transcribed Image Text:Complete the following interpretation of zy (200, 30). amount of chemical added increased number of days decreased 1.4 30 days after the colony was established with 200 mg of the chemical, the [Select] is [ Select ] by approximately [ Select ] the population is increasing 1.85 the rate of the population is decreasing 42 mg 100mg of the chemical [ Select ] for every additional [Select ] days millions of organisms day million organisms
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