28. A certain population of bacteria is known to grow at a rate proportional to the amount present in a culture that provides plentiful food and space. Initially, there are 250 bacteria, and after 7 hours, 800 bacteria are observed in the culture. Determine the amount of time it will take for the bacteria to increase to 2500. 13.9 hours 9.31 hours 19.3 hours 1.39 hours

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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28. A certain population of bacteria is known to grow at a rate proportional to the amount
present in a culture that provides plentiful food and space. Initially, there are 250
bacteria, and after 7 hours, 800 bacteria are observed in the culture. Determine the
amount of time it will take for the bacteria to increase to 2500.
13.9 hours
9.31 hours
19.3 hours
1.39 hours
29. Which of the following is/are an example/s of a differential equation? Multiple answer
is allowed.
dy
- 2x = 17
dx
%3D
Зху
+ ety = 0
%3D
x2-2y
7x(y") + 10(y') + 3y = 3x4
O x? + (y – 1)2 = 4
Transcribed Image Text:28. A certain population of bacteria is known to grow at a rate proportional to the amount present in a culture that provides plentiful food and space. Initially, there are 250 bacteria, and after 7 hours, 800 bacteria are observed in the culture. Determine the amount of time it will take for the bacteria to increase to 2500. 13.9 hours 9.31 hours 19.3 hours 1.39 hours 29. Which of the following is/are an example/s of a differential equation? Multiple answer is allowed. dy - 2x = 17 dx %3D Зху + ety = 0 %3D x2-2y 7x(y") + 10(y') + 3y = 3x4 O x? + (y – 1)2 = 4
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