Calculus (MindTap Course List)
Calculus (MindTap Course List)
11th Edition
ISBN: 9781337275347
Author: Ron Larson, Bruce H. Edwards
Publisher: Cengage Learning
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Concept explainers

Unitary Method
The word “unitary” comes from the word “unit”, which means a single and complete entity. In this method, we find the value of a unit product from the given number of products, and then we solve for the other number of products.
Speed, Time, and Distance
Imagine you and 3 of your friends are planning to go to the playground at 6 in the evening. Your house is one mile away from the playground and one of your friends named Jim must start at 5 pm to reach the playground by walk. The other two friends are 3 …
Profit and Loss
The amount earned or lost on the sale of one or more items is referred to as the profit or loss on that item.
Units and Measurements
Measurements and comparisons are the foundation of science and engineering. We, therefore, need rules that tell us how things are measured and compared. For these measurements and comparisons, we perform certain experiments, and we will need the experime…
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Chapter 6.2, Problem 56E

Bacteria Growth The number of bacteria in a culture is increasing according to the law of exponential growth. There are 125 bacteria in the culture after 2 hours and 350 bacteria after 4 hours.

(a) Find the initial population.

(b) Write an exponential growth model for the bacteria population. Let t represent the time in hours.

(c) Use the model to determine the number of bacteria after

8 hours.

(d) After how many hours will the bacteria count be 25,000?

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Chapter 6 Solutions

Calculus (MindTap Course List)

Ch. 6.1 - Verifying a Solution Describe how to determine...Ch. 6.1 - Prob. 2ECh. 6.1 - Prob. 3ECh. 6.1 - Prob. 4ECh. 6.1 - Verifying a Solution In Exercises 510, verify that...Ch. 6.1 - Verifying a Solution In Exercises 510, verify that...Ch. 6.1 - Prob. 7ECh. 6.1 - Prob. 8ECh. 6.1 - Verifying a Solution In Exercises 510, verify that...Ch. 6.1 - Prob. 10E
Ch. 6.1 - Prob. 11ECh. 6.1 - Prob. 12ECh. 6.1 - Prob. 13ECh. 6.1 - Prob. 14ECh. 6.1 - Prob. 15ECh. 6.1 - Prob. 16ECh. 6.1 - Prob. 17ECh. 6.1 - Determining a Solution In Exercises 1522,...Ch. 6.1 - Prob. 19ECh. 6.1 - Determining a Solution In Exercises 1522,...Ch. 6.1 - Prob. 21ECh. 6.1 - Prob. 22ECh. 6.1 - Prob. 23ECh. 6.1 - Prob. 24ECh. 6.1 - Determining a Solution: In Exercises 23-30,...Ch. 6.1 - Prob. 26ECh. 6.1 - Prob. 27ECh. 6.1 - Prob. 28ECh. 6.1 - Prob. 29ECh. 6.1 - Prob. 30ECh. 6.1 - Prob. 31ECh. 6.1 - Prob. 32ECh. 6.1 - Prob. 33ECh. 6.1 - Prob. 34ECh. 6.1 - Prob. 35ECh. 6.1 - Prob. 36ECh. 6.1 - Prob. 37ECh. 6.1 - Prob. 38ECh. 6.1 - Prob. 39ECh. 6.1 - Prob. 40ECh. 6.1 - Prob. 41ECh. 6.1 - Prob. 42ECh. 6.1 - Prob. 43ECh. 6.1 - Prob. 44ECh. 6.1 - Prob. 45ECh. 6.1 - Prob. 46ECh. 6.1 - Prob. 47ECh. 6.1 - Prob. 48ECh. 6.1 - Prob. 49ECh. 6.1 - Prob. 50ECh. 6.1 - Prob. 51ECh. 6.1 - Prob. 52ECh. 6.1 - Prob. 53ECh. 6.1 - Prob. 54ECh. 6.1 - Prob. 55ECh. 6.1 - Prob. 56ECh. 6.1 - Prob. 57ECh. 6.1 - Prob. 58ECh. 6.1 - Prob. 59ECh. 6.1 - Prob. 60ECh. 6.1 - Prob. 61ECh. 6.1 - Slope Field In Exercises 6164, (a) sketch the...Ch. 6.1 - Slope Field In Exercises 6164, (a) sketch the...Ch. 6.1 - Prob. 64ECh. 6.1 - Prob. 65ECh. 6.1 - Slope Field Use the slope field for the...Ch. 6.1 - Slope Field In Exercises 6772, use a computer...Ch. 6.1 - Prob. 68ECh. 6.1 - Prob. 69ECh. 6.1 - Prob. 70ECh. 6.1 - Prob. 71ECh. 6.1 - Prob. 72ECh. 6.1 - Euler's Method In Exercises 73-78, use Eulers...Ch. 6.1 - Prob. 74ECh. 6.1 - Prob. 75ECh. 6.1 - Euler's Method In Exercises 73-78, use Eulers...Ch. 6.1 - Prob. 77ECh. 6.1 - Prob. 78ECh. 6.1 - Prob. 79ECh. 6.1 - Euler's Method In Exercises 79-81, complete the...Ch. 6.1 - Euler's Method In Exercises 79-81, complete the...Ch. 6.1 - Prob. 82ECh. 6.1 - Prob. 83ECh. 6.1 - Prob. 84ECh. 6.1 - Prob. 85ECh. 6.1 - EXPLORING CONCEPTS Finding Values II is known that...Ch. 6.1 - Prob. 87ECh. 6.1 - Prob. 88ECh. 6.1 - Prob. 89ECh. 6.1 - Prob. 90ECh. 6.1 - Electric Circuit The diagram shows a simple...Ch. 6.1 - Prob. 92ECh. 6.1 - Prob. 93ECh. 6.1 - Prob. 94ECh. 6.1 - PUTNAM EXAM CHALLENGE Let f be a...Ch. 6.1 - Prob. 96ECh. 6.2 - CONCEPT CHECK Describing Values Describe what the...Ch. 6.2 - CONCEPT CHECK Growth and Decay For y=Cekt, explain...Ch. 6.2 - Solving a Differential Equation In Exercises 3-12,...Ch. 6.2 - Solving a Differential Equation In Exercises 3-12,...Ch. 6.2 - Solving a Differential Equation In Exercises 3-12,...Ch. 6.2 - Solving a Differential Equation In Exercises 3-12,...Ch. 6.2 - Solving a Differential Equation In Exercises 3-12,...Ch. 6.2 - Solving a Differential Equation In Exercises 3-12,...Ch. 6.2 - Solving a Differential Equation In Exercises 3-12,...Ch. 6.2 - Solving a Differential Equation In Exercises 3-12,...Ch. 6.2 - Solving a Differential Equation In Exercises 3-12,...Ch. 6.2 - Solving a Differential Equation In Exercises 3-12,...Ch. 6.2 - Writing and Solving a Differential Equation In...Ch. 6.2 - Writing and Solving a Differential Equation In...Ch. 6.2 - Slope Field In Exercises 15 and 16, a differential...Ch. 6.2 - Slope Field In Exercises 15 and 16, a differential...Ch. 6.2 - Finding a Particular Solution In Exercises 17-20,...Ch. 6.2 - Finding a Particular Solution In Exercises 17-20,...Ch. 6.2 - Finding a Particular Solution In Exercises 17-20,...Ch. 6.2 - Finding a Particular Solution In Exercises 17-20,...Ch. 6.2 - Writing and Solving a Differential Equation In...Ch. 6.2 - Writing and Solving a Differential Equation In...Ch. 6.2 - Finding an Exponential Function In Exercises...Ch. 6.2 - Prob. 24ECh. 6.2 - Prob. 25ECh. 6.2 - Prob. 26ECh. 6.2 - Prob. 27ECh. 6.2 - Prob. 28ECh. 6.2 - Prob. 29ECh. 6.2 - Prob. 30ECh. 6.2 - Radioactive Decay In Exercises 29-36, complete the...Ch. 6.2 - Prob. 32ECh. 6.2 - Prob. 33ECh. 6.2 - Prob. 34ECh. 6.2 - Prob. 35ECh. 6.2 - Prob. 36ECh. 6.2 - Radioactive Decay Radioactive radium has a...Ch. 6.2 - Carbon Dating Carbon-14 dating assumes that the...Ch. 6.2 - Prob. 39ECh. 6.2 - Prob. 40ECh. 6.2 - Prob. 41ECh. 6.2 - Prob. 42ECh. 6.2 - Prob. 43ECh. 6.2 - Prob. 44ECh. 6.2 - Prob. 45ECh. 6.2 - Prob. 46ECh. 6.2 - Prob. 47ECh. 6.2 - Prob. 48ECh. 6.2 - Prob. 49ECh. 6.2 - Prob. 50ECh. 6.2 - Prob. 51ECh. 6.2 - Prob. 52ECh. 6.2 - Prob. 53ECh. 6.2 - Prob. 54ECh. 6.2 - Prob. 55ECh. 6.2 - Bacteria Growth The number of bacteria in a...Ch. 6.2 - Prob. 57ECh. 6.2 - Prob. 58ECh. 6.2 - Prob. 59ECh. 6.2 - Prob. 60ECh. 6.2 - Prob. 61ECh. 6.2 - Forestry The value of a tract of timber is...Ch. 6.2 - Prob. 63ECh. 6.2 - Noise Level With the installation of noise...Ch. 6.2 - Newton's Law of Cooling When an object is removed...Ch. 6.2 - Newton's Law of Cooling A container of hot liquid...Ch. 6.2 - Prob. 67ECh. 6.2 - True or False? In Exercises 67 and 68, determine...Ch. 6.3 - Separation of Variaoles Determine whether each...Ch. 6.3 - Prob. 2ECh. 6.3 - Prob. 4ECh. 6.3 - Prob. 5ECh. 6.3 - Finding a General Solution Using Separation of...Ch. 6.3 - Prob. 7ECh. 6.3 - Prob. 8ECh. 6.3 - Prob. 9ECh. 6.3 - Prob. 10ECh. 6.3 - Prob. 11ECh. 6.3 - Prob. 12ECh. 6.3 - Prob. 13ECh. 6.3 - Prob. 14ECh. 6.3 - Prob. 15ECh. 6.3 - Prob. 16ECh. 6.3 - Prob. 17ECh. 6.3 - Finding a General Solution Using Separation of...Ch. 6.3 - Prob. 19ECh. 6.3 - Prob. 20ECh. 6.3 - Prob. 21ECh. 6.3 - Prob. 22ECh. 6.3 - Prob. 23ECh. 6.3 - Prob. 25ECh. 6.3 - Prob. 26ECh. 6.3 - Prob. 27ECh. 6.3 - Finding a Particular Solution Using Separation of...Ch. 6.3 - Finding a Particular Solution Curve In Exercises...Ch. 6.3 - Prob. 30ECh. 6.3 - Finding a Particular Solution Curve In Exercises...Ch. 6.3 - Prob. 32ECh. 6.3 - Using Slope In Exercises 33 and 34, find all...Ch. 6.3 - Prob. 34ECh. 6.3 - Prob. 35ECh. 6.3 - Prob. 36ECh. 6.3 - Prob. 37ECh. 6.3 - Prob. 38ECh. 6.3 - Prob. 39ECh. 6.3 - Chemical Reaction In a chemical reaction a certain...Ch. 6.3 - Weight Gain A calf that weighs 60 pounds at birth...Ch. 6.3 - Prob. 42ECh. 6.3 - Prob. 43ECh. 6.3 - Prob. 44ECh. 6.3 - Prob. 45ECh. 6.3 - Prob. 46ECh. 6.3 - Prob. 47ECh. 6.3 - Prob. 48ECh. 6.3 - EXPLORING CONCEPTS Separation of Variables Is an...Ch. 6.3 - Prob. 64ECh. 6.3 - Prob. 66ECh. 6.3 - Sailing Ignoring resistance, a sailboat starting...Ch. 6.3 - Determining if a Function Is Homogeneous In...Ch. 6.3 - Prob. 70ECh. 6.3 - Prob. 71ECh. 6.3 - Prob. 72ECh. 6.3 - Prob. 73ECh. 6.3 - Prob. 74ECh. 6.3 - Prob. 75ECh. 6.3 - Prob. 76ECh. 6.3 - Prob. 77ECh. 6.3 - Prob. 78ECh. 6.3 - Prob. 79ECh. 6.3 - Solving a Homogeneous Differential Equation In...Ch. 6.3 - Prob. 81ECh. 6.3 - Prob. 82ECh. 6.3 - Prob. 83ECh. 6.3 - Prob. 84ECh. 6.3 - Prob. 85ECh. 6.3 - Prob. 86ECh. 6.3 - Prob. 3ECh. 6.3 - Prob. 24ECh. 6.3 - Prob. 49ECh. 6.3 - Matching In Exercises 49-52, match the logistic...Ch. 6.3 - Prob. 51ECh. 6.3 - Prob. 52ECh. 6.3 - Using a Logistic Equation In Exercises 53 and 54,...Ch. 6.3 - Prob. 54ECh. 6.3 - Prob. 55ECh. 6.3 - Using a Logistic Differential Equation In...Ch. 6.3 - Solving a Logistic Differential Equation In...Ch. 6.3 - Prob. 58ECh. 6.3 - Prob. 59ECh. 6.3 - Prob. 60ECh. 6.3 - Endangered Species A conservation organization...Ch. 6.3 - Bacteria Growth At time t=0. a bacterial culture...Ch. 6.3 - Prob. 65ECh. 6.3 - Prob. 68ECh. 6.4 - Prob. 1ECh. 6.4 - Prob. 2ECh. 6.4 - Determining Whether a Differential Equation Is...Ch. 6.4 - Prob. 4ECh. 6.4 - Prob. 5ECh. 6.4 - Prob. 6ECh. 6.4 - Prob. 7ECh. 6.4 - Prob. 8ECh. 6.4 - Prob. 9ECh. 6.4 - Prob. 10ECh. 6.4 - Prob. 11ECh. 6.4 - Prob. 12ECh. 6.4 - Prob. 13ECh. 6.4 - Prob. 14ECh. 6.4 - Prob. 15ECh. 6.4 - Prob. 16ECh. 6.4 - Prob. 17ECh. 6.4 - Prob. 18ECh. 6.4 - Prob. 19ECh. 6.4 - Finding a Particular Solution In Exercises 17-24,...Ch. 6.4 - Prob. 21ECh. 6.4 - Prob. 22ECh. 6.4 - Finding a Particular Solution In Exercises 17-24,...Ch. 6.4 - Prob. 24ECh. 6.4 - Prob. 25ECh. 6.4 - Prob. 26ECh. 6.4 - Prob. 27ECh. 6.4 - Investment Growth In Exercises 27 and 28, use the...Ch. 6.4 - Learning Curve The management at a certain factory...Ch. 6.4 - Intravenous Feeding Glucose is added intravenously...Ch. 6.4 - Prob. 31ECh. 6.4 - Prob. 32ECh. 6.4 - Prob. 33ECh. 6.4 - Prob. 34ECh. 6.4 - Prob. 35ECh. 6.4 - Prob. 36ECh. 6.4 - Prob. 37ECh. 6.4 - Prob. 38ECh. 6.4 - Prob. 39ECh. 6.4 - Prob. 40ECh. 6.4 - Prob. 41ECh. 6.4 - Prob. 42ECh. 6.4 - Prob. 43ECh. 6.4 - Prob. 44ECh. 6.4 - Prob. 45ECh. 6.4 - Prob. 46ECh. 6.4 - Prob. 47ECh. 6.4 - Prob. 48ECh. 6.4 - Prob. 49ECh. 6.4 - Prob. 50ECh. 6.4 - Prob. 51ECh. 6.4 - Prob. 52ECh. 6.4 - Prob. 53ECh. 6.4 - Solving a First-Order Differential Equation In...Ch. 6.4 - Prob. 55ECh. 6.4 - Prob. 56ECh. 6.4 - Prob. 57ECh. 6.4 - Solving a Bernoulli Differential Equation In...Ch. 6.4 - Prob. 59ECh. 6.4 - Prob. 60ECh. 6.4 - Prob. 61ECh. 6.4 - Prob. 62ECh. 6.4 - Prob. 63ECh. 6.4 - Prob. 64ECh. 6.4 - Prob. 65ECh. 6.4 - True or False? In Exercises 65 and 66, determine...Ch. 6 - Determining a Solution Determine whether the...Ch. 6 - Prob. 2RECh. 6 - Prob. 3RECh. 6 - Prob. 4RECh. 6 - Prob. 5RECh. 6 - Prob. 6RECh. 6 - Prob. 7RECh. 6 - Finding a General Solution In Exercises 38, use...Ch. 6 - Prob. 9RECh. 6 - Prob. 10RECh. 6 - Prob. 11RECh. 6 - Prob. 12RECh. 6 - Prob. 13RECh. 6 - Prob. 14RECh. 6 - Prob. 15RECh. 6 - Prob. 16RECh. 6 - Prob. 17RECh. 6 - Prob. 18RECh. 6 - Prob. 19RECh. 6 - Prob. 20RECh. 6 - Prob. 21RECh. 6 - Prob. 22RECh. 6 - Prob. 23RECh. 6 - Prob. 24RECh. 6 - Prob. 25RECh. 6 - Prob. 26RECh. 6 - Prob. 27RECh. 6 - Prob. 28RECh. 6 - Air Pressure Under ideal conditions, air pressure...Ch. 6 - Prob. 30RECh. 6 - Population A population grows exponentially at a...Ch. 6 - Prob. 32RECh. 6 - Sales The sales S (in thousands of units) of a new...Ch. 6 - Prob. 34RECh. 6 - Prob. 35RECh. 6 - Finding a General Solution Using Separation of...Ch. 6 - Prob. 37RECh. 6 - Prob. 38RECh. 6 - Prob. 39RECh. 6 - Finding a Particular Solution Using Separation of...Ch. 6 - Prob. 41RECh. 6 - Prob. 42RECh. 6 - Prob. 43RECh. 6 - Prob. 44RECh. 6 - Prob. 45RECh. 6 - Prob. 46RECh. 6 - Prob. 47RECh. 6 - Prob. 48RECh. 6 - Prob. 49RECh. 6 - Prob. 50RECh. 6 - Prob. 51RECh. 6 - Environment A conservation department releases...Ch. 6 - Prob. 53RECh. 6 - Prob. 54RECh. 6 - Prob. 55RECh. 6 - Prob. 56RECh. 6 - Prob. 57RECh. 6 - Prob. 58RECh. 6 - Prob. 59RECh. 6 - Prob. 60RECh. 6 - Prob. 61RECh. 6 - Prob. 62RECh. 6 - Prob. 1PSCh. 6 - Sales Let S represent sales of a new product (in...Ch. 6 - Prob. 3PSCh. 6 - Prob. 4PSCh. 6 - Torricelli's Law Torricellis Law states that water...Ch. 6 - Torricelli's Law The cylindrical water tank shown...Ch. 6 - Torricelli's Law A tank similar to the one in...Ch. 6 - Prob. 8PSCh. 6 - Prob. 9PSCh. 6 - Prob. 10PSCh. 6 - Prob. 11PSCh. 6 - Prob. 12PSCh. 6 - In Exercises 11 and 12, it was assumed that there...
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