The dropdwons that say "select" on part c and d is asking "is it increasing, decreasing or staying constant"

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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The dropdwons that say "select" on part c and d is asking "is it increasing, decreasing or staying constant"

A culture of bacteria grows in number according to the function N(t), where t is measured in hours.
4t
N(t) = 300ol 1 +
t2 + 100
(a) Find the rate of change of the number of bacteria.
N'(t) =
(b) Find N'(0), N'(10), N'(20), and N'(30).
N'(0) =
N'(10) =
N'(20) =
N'(30) =
(c) Interpret the results from part (b).
At t = 0 hours, the bacteria population is --Select---
|---Select--
v. At t = 10 hours, the bacteria population is ---Select---
At t = 20 hours, the bacteria population is
v. And at t = 30 hours, the bacteria population is ---Select---
(d) Find N"(0), N"(10), N"(20), and N"(30).
N"(0) =
N"(10) =
N"(20) =
N"(30) =
Interpret what the answers imply about the bacteria population growth.
v. At t = 10 hours, the rate at which the bacteria population is changing is
At t = 0 hours, the rate at which the bacteria population is changing is ---Select---
| ---Select---
v. At t = 20 hours, the rate at which the bacteria population is changing is --Select---
At t = 30 hours, the rate at which the bacteria population is
changing is
--Select---
Transcribed Image Text:A culture of bacteria grows in number according to the function N(t), where t is measured in hours. 4t N(t) = 300ol 1 + t2 + 100 (a) Find the rate of change of the number of bacteria. N'(t) = (b) Find N'(0), N'(10), N'(20), and N'(30). N'(0) = N'(10) = N'(20) = N'(30) = (c) Interpret the results from part (b). At t = 0 hours, the bacteria population is --Select--- |---Select-- v. At t = 10 hours, the bacteria population is ---Select--- At t = 20 hours, the bacteria population is v. And at t = 30 hours, the bacteria population is ---Select--- (d) Find N"(0), N"(10), N"(20), and N"(30). N"(0) = N"(10) = N"(20) = N"(30) = Interpret what the answers imply about the bacteria population growth. v. At t = 10 hours, the rate at which the bacteria population is changing is At t = 0 hours, the rate at which the bacteria population is changing is ---Select--- | ---Select--- v. At t = 20 hours, the rate at which the bacteria population is changing is --Select--- At t = 30 hours, the rate at which the bacteria population is changing is --Select---
Expert Solution
Step 1

For (c),

N'(t)=30001+4tt2+100'=12000-t2+100t2+1002

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Calculus homework question answer, step 1, image 1

At t=0 hours, the bacteria population is constant. At t=10 hours, the bacteria population is decreasing. At t=20 hours, the bacteria population is increasing. And at t=30 hours, the bacteria population is increasing.

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