Precalculus (MindTap Course List)
10th Edition
ISBN: 9781337271073
Author: Ron Larson
Publisher: Cengage Learning
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Chapter A.4, Problem 78E
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Chapter A Solutions
Precalculus (MindTap Course List)
Ch. A.1 - Checkpoint Repeat Example 1 for the set...Ch. A.1 - Checkpoint Plot the real numbers on the real...Ch. A.1 - Prob. 3CPCh. A.1 - Prob. 4CPCh. A.1 - Prob. 5CPCh. A.1 - Prob. 6CPCh. A.1 - Prob. 7CPCh. A.1 - Prob. 8CPCh. A.1 - Prob. 9CPCh. A.1 - Prob. 10CP
Ch. A.1 - Prob. 11CPCh. A.1 - Prob. 12CPCh. A.1 - Prob. 13CPCh. A.1 - Prob. 14CPCh. A.1 - Vocabulary: Fill in the blanks. The decimal...Ch. A.1 - Prob. 2ECh. A.1 - Prob. 3ECh. A.1 - Prob. 4ECh. A.1 - Prob. 5ECh. A.1 - Prob. 6ECh. A.1 - Prob. 7ECh. A.1 - Prob. 8ECh. A.1 - Prob. 9ECh. A.1 - Prob. 10ECh. A.1 - Prob. 11ECh. A.1 - Prob. 12ECh. A.1 - Prob. 13ECh. A.1 - Prob. 14ECh. A.1 - Prob. 15ECh. A.1 - Prob. 16ECh. A.1 - Skills and Applications Interpreting an Inequality...Ch. A.1 - Skills and Applications Interpreting an Inequality...Ch. A.1 - Prob. 19ECh. A.1 - Prob. 20ECh. A.1 - Prob. 21ECh. A.1 - Prob. 22ECh. A.1 - Prob. 23ECh. A.1 - Prob. 24ECh. A.1 - Skills and Applications Using Inequality or an...Ch. A.1 - Skills and Applications Using Inequality or an...Ch. A.1 - Prob. 27ECh. A.1 - Prob. 28ECh. A.1 - Prob. 29ECh. A.1 - Prob. 30ECh. A.1 - Prob. 31ECh. A.1 - Prob. 32ECh. A.1 - Prob. 33ECh. A.1 - Prob. 34ECh. A.1 - Prob. 35ECh. A.1 - Prob. 36ECh. A.1 - Prob. 37ECh. A.1 - Prob. 38ECh. A.1 - Prob. 39ECh. A.1 - Prob. 40ECh. A.1 - Prob. 41ECh. A.1 - Prob. 42ECh. A.1 - Prob. 43ECh. A.1 - Prob. 44ECh. A.1 - Prob. 45ECh. A.1 - Prob. 46ECh. A.1 - Skills and Applications Using Absolute Value...Ch. A.1 - Skills and Applications Using Absolute Value...Ch. A.1 - Prob. 49ECh. A.1 - Prob. 50ECh. A.1 - Prob. 51ECh. A.1 - Prob. 52ECh. A.1 - Prob. 53ECh. A.1 - Prob. 54ECh. A.1 - Prob. 55ECh. A.1 - Prob. 56ECh. A.1 - Prob. 57ECh. A.1 - Prob. 58ECh. A.1 - Prob. 59ECh. A.1 - Prob. 60ECh. A.1 - Prob. 61ECh. A.1 - Prob. 62ECh. A.1 - Prob. 63ECh. A.1 - Prob. 64ECh. A.1 - Prob. 65ECh. A.1 - Prob. 66ECh. A.1 - Prob. 67ECh. A.1 - Prob. 68ECh. A.1 - Prob. 69ECh. A.1 - Prob. 70ECh. A.1 - Prob. 71ECh. A.1 - Prob. 72ECh. A.1 - Prob. 73ECh. A.1 - Prob. 74ECh. A.1 - Prob. 75ECh. A.1 - Exploration HOW DO YOU SEE IT? Match each...Ch. A.1 - Prob. 77ECh. A.2 - Checkpoint Evaluate each expression a. 34 b. (3)4...Ch. A.2 - Prob. 2CPCh. A.2 - Prob. 3CPCh. A.2 - Prob. 4CPCh. A.2 - Prob. 5CPCh. A.2 - Prob. 6CPCh. A.2 - Prob. 7CPCh. A.2 - Prob. 8CPCh. A.2 - Prob. 9CPCh. A.2 - Simplify each radical expression. a. 32 b. 2503 c....Ch. A.2 - Prob. 11CPCh. A.2 - Prob. 12CPCh. A.2 - Prob. 13CPCh. A.2 - Prob. 14CPCh. A.2 - Prob. 15CPCh. A.2 - Prob. 16CPCh. A.2 - Prob. 17CPCh. A.2 - Prob. 1ECh. A.2 - Prob. 2ECh. A.2 - Prob. 3ECh. A.2 - Prob. 4ECh. A.2 - Prob. 5ECh. A.2 - Fill in the blanks The expressions a+bm and abm...Ch. A.2 - Prob. 7ECh. A.2 - Prob. 8ECh. A.2 - Prob. 9ECh. A.2 - Skills and Applications Evaluating Exponential...Ch. A.2 - Prob. 11ECh. A.2 - Prob. 12ECh. A.2 - Prob. 13ECh. A.2 - Prob. 14ECh. A.2 - Prob. 15ECh. A.2 - Prob. 16ECh. A.2 - Prob. 17ECh. A.2 - Prob. 18ECh. A.2 - Prob. 19ECh. A.2 - Prob. 20ECh. A.2 - Prob. 21ECh. A.2 - Prob. 22ECh. A.2 - Prob. 23ECh. A.2 - Prob. 24ECh. A.2 - Prob. 25ECh. A.2 - Prob. 26ECh. A.2 - Prob. 27ECh. A.2 - Prob. 28ECh. A.2 - Prob. 29ECh. A.2 - Prob. 30ECh. A.2 - Prob. 31ECh. A.2 - Prob. 32ECh. A.2 - Prob. 33ECh. A.2 - Decimal Notation In Exercises 33-36, write the...Ch. A.2 - Prob. 35ECh. A.2 - Prob. 36ECh. A.2 - Prob. 37ECh. A.2 - Prob. 38ECh. A.2 - Prob. 39ECh. A.2 - Prob. 40ECh. A.2 - Prob. 41ECh. A.2 - Prob. 42ECh. A.2 - Prob. 43ECh. A.2 - Prob. 44ECh. A.2 - Prob. 45ECh. A.2 - Prob. 46ECh. A.2 - Prob. 47ECh. A.2 - Prob. 48ECh. A.2 - Prob. 49ECh. A.2 - Prob. 50ECh. A.2 - Prob. 51ECh. A.2 - Prob. 52ECh. A.2 - Prob. 53ECh. A.2 - Prob. 54ECh. A.2 - Prob. 55ECh. A.2 - Prob. 56ECh. A.2 - Prob. 57ECh. A.2 - Prob. 58ECh. A.2 - Prob. 59ECh. A.2 - Prob. 60ECh. A.2 - Prob. 61ECh. A.2 - Prob. 62ECh. A.2 - Prob. 63ECh. A.2 - Prob. 64ECh. A.2 - Prob. 65ECh. A.2 - Prob. 66ECh. A.2 - Prob. 67ECh. A.2 - Prob. 68ECh. A.2 - Prob. 69ECh. A.2 - Prob. 70ECh. A.2 - Prob. 71ECh. A.2 - Prob. 72ECh. A.2 - Prob. 73ECh. A.2 - Prob. 74ECh. A.3 - Prob. 1CPCh. A.3 - Prob. 2CPCh. A.3 - Prob. 3CPCh. A.3 - Prob. 4CPCh. A.3 - Prob. 5CPCh. A.3 - Prob. 6CPCh. A.3 - Prob. 7CPCh. A.3 - Prob. 8CPCh. A.3 - Prob. 9CPCh. A.3 - Prob. 10CPCh. A.3 - Prob. 11CPCh. A.3 - Prob. 12CPCh. A.3 - Prob. 13CPCh. A.3 - Prob. 14CPCh. A.3 - Prob. 1ECh. A.3 - Prob. 2ECh. A.3 - Prob. 3ECh. A.3 - Prob. 4ECh. A.3 - Prob. 5ECh. A.3 - Prob. 6ECh. A.3 - Prob. 7ECh. A.3 - Prob. 8ECh. A.3 - Prob. 9ECh. A.3 - Prob. 10ECh. A.3 - Prob. 11ECh. A.3 - Prob. 12ECh. A.3 - Prob. 13ECh. A.3 - Prob. 14ECh. A.3 - Prob. 15ECh. A.3 - Prob. 16ECh. A.3 - Prob. 17ECh. A.3 - Prob. 18ECh. A.3 - Prob. 19ECh. A.3 - Prob. 20ECh. A.3 - Prob. 21ECh. A.3 - Prob. 22ECh. A.3 - Prob. 23ECh. A.3 - Prob. 24ECh. A.3 - Prob. 25ECh. A.3 - Prob. 26ECh. A.3 - Prob. 27ECh. A.3 - Prob. 28ECh. A.3 - Prob. 29ECh. A.3 - Prob. 30ECh. A.3 - Prob. 31ECh. A.3 - Prob. 32ECh. A.3 - Prob. 33ECh. A.3 - Prob. 34ECh. A.3 - Prob. 35ECh. A.3 - Prob. 36ECh. A.3 - Prob. 37ECh. A.3 - Prob. 38ECh. A.3 - Prob. 39ECh. A.3 - Prob. 40ECh. A.3 - Prob. 41ECh. A.3 - Prob. 42ECh. A.3 - Prob. 43ECh. A.3 - Prob. 44ECh. A.3 - Prob. 45ECh. A.3 - Prob. 46ECh. A.3 - Prob. 47ECh. A.3 - Prob. 48ECh. A.3 - Prob. 49ECh. A.3 - Prob. 50ECh. A.3 - Prob. 51ECh. A.3 - Prob. 52ECh. A.3 - Prob. 53ECh. A.3 - Prob. 54ECh. A.3 - Prob. 55ECh. A.3 - Prob. 56ECh. A.3 - Prob. 57ECh. A.3 - Prob. 58ECh. A.3 - Prob. 59ECh. A.3 - Prob. 60ECh. A.3 - Prob. 61ECh. A.3 - Prob. 62ECh. A.3 - Prob. 63ECh. A.3 - Prob. 64ECh. A.3 - Prob. 65ECh. A.3 - Prob. 66ECh. A.3 - Prob. 67ECh. A.3 - Prob. 68ECh. A.3 - Prob. 69ECh. A.3 - Prob. 70ECh. A.3 - Prob. 71ECh. A.3 - Prob. 72ECh. A.3 - Prob. 73ECh. A.3 - Prob. 74ECh. A.3 - Prob. 75ECh. A.3 - Prob. 76ECh. A.3 - Prob. 77ECh. A.3 - Prob. 78ECh. A.3 - Factoring Completely In Exercises 73-82,...Ch. A.3 - Prob. 80ECh. A.3 - Prob. 81ECh. A.3 - Prob. 82ECh. A.3 - Prob. 83ECh. A.3 - Prob. 84ECh. A.3 - Prob. 85ECh. A.3 - Prob. 86ECh. A.3 - True or False In Exercises 85-87, determine...Ch. A.3 - Prob. 88ECh. A.3 - Prob. 89ECh. A.3 - Prob. 90ECh. A.3 - Prob. 91ECh. A.3 - Prob. 92ECh. A.3 - Prob. 93ECh. A.3 - Prob. 94ECh. A.3 - Prob. 95ECh. A.3 - Prob. 96ECh. A.4 - Prob. 1CPCh. A.4 - Prob. 2CPCh. A.4 - Prob. 3CPCh. A.4 - Prob. 4CPCh. A.4 - Prob. 5CPCh. A.4 - Prob. 6CPCh. A.4 - Prob. 7CPCh. A.4 - Prob. 8CPCh. A.4 - Prob. 9CPCh. A.4 - Prob. 10CPCh. A.4 - Prob. 11CPCh. A.4 - A.4 Exercises Vocabulary: Fill in the blanks. The...Ch. A.4 - A.4 Exercises Vocabulary: Fill in the blanks. The...Ch. A.4 - Prob. 3ECh. A.4 - Prob. 4ECh. A.4 - Prob. 5ECh. A.4 - Prob. 6ECh. A.4 - Prob. 7ECh. A.4 - Prob. 8ECh. A.4 - Prob. 9ECh. A.4 - Prob. 10ECh. A.4 - Prob. 11ECh. A.4 - Prob. 12ECh. A.4 - Prob. 13ECh. A.4 - Prob. 14ECh. A.4 - Prob. 15ECh. A.4 - Prob. 16ECh. A.4 - Prob. 17ECh. A.4 - Prob. 18ECh. A.4 - Prob. 19ECh. A.4 - Prob. 20ECh. A.4 - Prob. 21ECh. A.4 - Prob. 22ECh. A.4 - Prob. 23ECh. A.4 - Prob. 24ECh. A.4 - Prob. 25ECh. A.4 - Prob. 26ECh. A.4 - Prob. 27ECh. A.4 - Prob. 28ECh. A.4 - Prob. 29ECh. A.4 - Prob. 30ECh. A.4 - Prob. 31ECh. A.4 - Prob. 32ECh. A.4 - Prob. 33ECh. A.4 - Prob. 34ECh. A.4 - Prob. 35ECh. A.4 - Prob. 36ECh. A.4 - Prob. 37ECh. A.4 - Prob. 38ECh. A.4 - Prob. 39ECh. A.4 - Prob. 40ECh. A.4 - Prob. 41ECh. A.4 - Prob. 42ECh. A.4 - Prob. 43ECh. A.4 - Prob. 44ECh. A.4 - Prob. 45ECh. A.4 - Prob. 46ECh. A.4 - Prob. 47ECh. A.4 - Prob. 48ECh. A.4 - Prob. 49ECh. A.4 - Prob. 50ECh. A.4 - Prob. 51ECh. A.4 - Prob. 52ECh. A.4 - Prob. 53ECh. A.4 - Prob. 54ECh. A.4 - Prob. 55ECh. A.4 - Prob. 56ECh. A.4 - Prob. 57ECh. A.4 - Prob. 58ECh. A.4 - Prob. 59ECh. A.4 - Prob. 60ECh. A.4 - Prob. 61ECh. A.4 - Prob. 62ECh. A.4 - Prob. 63ECh. A.4 - Prob. 64ECh. A.4 - Prob. 65ECh. A.4 - Prob. 66ECh. A.4 - Prob. 67ECh. A.4 - Prob. 68ECh. A.4 - Rewriting a Difference Quotient In Exercises 6570,...Ch. A.4 - Prob. 70ECh. A.4 - Prob. 71ECh. A.4 - Prob. 72ECh. A.4 - Prob. 73ECh. A.4 - Prob. 74ECh. A.4 - Prob. 75ECh. A.4 - Prob. 76ECh. A.4 - Prob. 77ECh. A.4 - Prob. 78ECh. A.4 - Prob. 79ECh. A.4 - Prob. 80ECh. A.5 - Prob. 1CPCh. A.5 - Prob. 2CPCh. A.5 - Prob. 3CPCh. A.5 - Prob. 4CPCh. A.5 - Prob. 5CPCh. A.5 - Prob. 6CPCh. A.5 - Prob. 7CPCh. A.5 - Prob. 8CPCh. A.5 - Prob. 9CPCh. A.5 - Prob. 10CPCh. A.5 - Prob. 11CPCh. A.5 - Checkpoint Solve -40-9x+2=x.Ch. A.5 - Prob. 13CPCh. A.5 - Checkpoint Solve x2+4x=7x+18 and check your...Ch. A.5 - Prob. 15CPCh. A.5 - Prob. 1ECh. A.5 - Prob. 2ECh. A.5 - Prob. 3ECh. A.5 - Prob. 4ECh. A.5 - Prob. 5ECh. A.5 - Prob. 6ECh. A.5 - Prob. 7ECh. A.5 - Prob. 8ECh. A.5 - Prob. 9ECh. A.5 - Prob. 10ECh. A.5 - Prob. 11ECh. A.5 - Prob. 12ECh. A.5 - Prob. 13ECh. A.5 - Skills and Applications Solving a Rational...Ch. A.5 - Prob. 15ECh. A.5 - Prob. 16ECh. A.5 - Prob. 17ECh. A.5 - Skills and Applications Solving a Rational...Ch. A.5 - Prob. 19ECh. A.5 - Prob. 20ECh. A.5 - Prob. 21ECh. A.5 - Prob. 22ECh. A.5 - Prob. 23ECh. A.5 - Prob. 24ECh. A.5 - Prob. 25ECh. A.5 - Prob. 26ECh. A.5 - Prob. 27ECh. A.5 - Prob. 28ECh. A.5 - Prob. 29ECh. A.5 - Prob. 30ECh. A.5 - Prob. 31ECh. A.5 - Prob. 32ECh. A.5 - Prob. 33ECh. A.5 - Prob. 34ECh. A.5 - Prob. 35ECh. A.5 - Prob. 36ECh. A.5 - Prob. 37ECh. A.5 - Prob. 38ECh. A.5 - Prob. 39ECh. A.5 - Prob. 40ECh. A.5 - Prob. 41ECh. A.5 - Prob. 42ECh. A.5 - Prob. 43ECh. A.5 - Prob. 44ECh. A.5 - Prob. 45ECh. A.5 - Prob. 46ECh. A.5 - Prob. 47ECh. A.5 - Prob. 48ECh. A.5 - Prob. 49ECh. A.5 - Prob. 50ECh. A.5 - Prob. 51ECh. A.5 - Prob. 52ECh. A.5 - Prob. 53ECh. A.5 - Prob. 54ECh. A.5 - Prob. 55ECh. A.5 - Prob. 56ECh. A.5 - Prob. 57ECh. A.5 - Prob. 58ECh. A.5 - Prob. 59ECh. A.5 - Prob. 60ECh. A.5 - Prob. 61ECh. A.5 - Prob. 62ECh. A.5 - Prob. 63ECh. A.5 - Prob. 64ECh. A.5 - Prob. 65ECh. A.5 - Prob. 66ECh. A.5 - Prob. 67ECh. A.5 - Prob. 68ECh. A.5 - Prob. 69ECh. A.5 - Prob. 70ECh. A.5 - Prob. 71ECh. A.5 - Prob. 72ECh. A.5 - Prob. 73ECh. A.5 - Prob. 74ECh. A.5 - Prob. 75ECh. A.5 - Prob. 76ECh. A.5 - Prob. 77ECh. A.5 - Prob. 78ECh. A.5 - Prob. 79ECh. A.5 - Prob. 80ECh. A.5 - Prob. 81ECh. A.5 - Prob. 82ECh. A.5 - Skills and Applications: Solving a Radical...Ch. A.5 - Prob. 84ECh. A.5 - Prob. 85ECh. A.5 - Prob. 86ECh. A.5 - Prob. 87ECh. A.5 - Prob. 88ECh. A.5 - Prob. 89ECh. A.5 - Prob. 90ECh. A.5 - Prob. 91ECh. A.5 - Prob. 92ECh. A.5 - Skills and Applications: Volume of a Billiard Ball...Ch. A.5 - Prob. 94ECh. A.5 - Skills and Applications: Forensics In Exercises 95...Ch. A.5 - Skills and Applications: Forensics In Exercises 95...Ch. A.5 - Prob. 97ECh. A.5 - Prob. 98ECh. A.5 - Prob. 99ECh. A.5 - Prob. 100ECh. A.6 - Write an inequality that represents each interval....Ch. A.6 - Prob. 2CPCh. A.6 - Prob. 3CPCh. A.6 - Prob. 4CPCh. A.6 - Prob. 5CPCh. A.6 - Prob. 6CPCh. A.6 - Prob. 7CPCh. A.6 - Prob. 1ECh. A.6 - Prob. 2ECh. A.6 - Fill in the blanks It is sometimes possible to...Ch. A.6 - Prob. 4ECh. A.6 - Prob. 5ECh. A.6 - Prob. 6ECh. A.6 - Prob. 7ECh. A.6 - Prob. 8ECh. A.6 - Prob. 9ECh. A.6 - Prob. 10ECh. A.6 - Intervals and Inequalities In Exercises 5-12,...Ch. A.6 - Prob. 12ECh. A.6 - Solving a Linear Inequality In Exercises 13-30,...Ch. A.6 - Prob. 14ECh. A.6 - Prob. 15ECh. A.6 - Prob. 16ECh. A.6 - Prob. 17ECh. A.6 - Prob. 18ECh. A.6 - Prob. 19ECh. A.6 - Prob. 20ECh. A.6 - Prob. 21ECh. A.6 - Prob. 22ECh. A.6 - Prob. 23ECh. A.6 - Prob. 24ECh. A.6 - Prob. 25ECh. A.6 - Prob. 26ECh. A.6 - Prob. 27ECh. A.6 - Prob. 28ECh. A.6 - Prob. 29ECh. A.6 - Prob. 30ECh. A.6 - Prob. 31ECh. A.6 - Prob. 32ECh. A.6 - Prob. 33ECh. A.6 - Prob. 34ECh. A.6 - Prob. 35ECh. A.6 - Prob. 36ECh. A.6 - Solving a Double Inequality In Exercises 31-42,...Ch. A.6 - Prob. 38ECh. A.6 - Prob. 39ECh. A.6 - Prob. 40ECh. A.6 - Prob. 41ECh. A.6 - Prob. 42ECh. A.6 - Prob. 43ECh. A.6 - Prob. 44ECh. A.6 - Prob. 45ECh. A.6 - Prob. 46ECh. A.6 - Prob. 47ECh. A.6 - Prob. 48ECh. A.6 - Prob. 49ECh. A.6 - Prob. 50ECh. A.6 - Prob. 51ECh. A.6 - Prob. 52ECh. A.6 - Prob. 53ECh. A.6 - Prob. 54ECh. A.6 - Prob. 55ECh. A.6 - Prob. 56ECh. A.6 - Prob. 57ECh. A.6 - Prob. 58ECh. A.6 - Prob. 59ECh. A.6 - Prob. 60ECh. A.6 - Prob. 61ECh. A.6 - Prob. 62ECh. A.6 - Prob. 63ECh. A.6 - Prob. 64ECh. A.6 - Prob. 65ECh. A.6 - Prob. 66ECh. A.6 - Prob. 67ECh. A.6 - Prob. 68ECh. A.6 - Prob. 69ECh. A.6 - Prob. 70ECh. A.6 - Prob. 71ECh. A.6 - Prob. 72ECh. A.6 - Prob. 73ECh. A.6 - Prob. 74ECh. A.6 - Prob. 75ECh. A.6 - Prob. 76ECh. A.6 - Using Absolute Value In Exercises 77-84, use...Ch. A.6 - Prob. 78ECh. A.6 - Prob. 79ECh. A.6 - Prob. 80ECh. A.6 - Using Absolute Value In Exercises 77-84, use...Ch. A.6 - Prob. 82ECh. A.6 - Prob. 83ECh. A.6 - Using Absolute Value In Exercises 77-84, use...Ch. A.6 - Prob. 85ECh. A.6 - Prob. 86ECh. A.6 - Prob. 87ECh. A.6 - Prob. 88ECh. A.6 - Prob. 89ECh. A.6 - Prob. 90ECh. A.6 - Job Offers You are considering two job offers. The...Ch. A.6 - Job Offers You are considering two job offers. The...Ch. A.6 - Prob. 93ECh. A.6 - Prob. 94ECh. A.6 - Prob. 95ECh. A.6 - Cost, Revenue, and Profit The revenue from selling...Ch. A.6 - Prob. 97ECh. A.6 - Prob. 98ECh. A.6 - GPA An equation that relates the college...Ch. A.6 - Prob. 100ECh. A.6 - Prob. 101ECh. A.6 - Milk Production Milk production M in billions of...Ch. A.6 - Prob. 103ECh. A.6 - Prob. 104ECh. A.6 - Prob. 105ECh. A.6 - Accuracy of Measurement You stop at a self-service...Ch. A.6 - Prob. 107ECh. A.6 - Geometry The side length of a square is 24.2...Ch. A.6 - Prob. 109ECh. A.6 - Prob. 110ECh. A.6 - Prob. 111ECh. A.6 - Prob. 112ECh. A.6 - Prob. 113ECh. A.6 - Prob. 114ECh. A.6 - Prob. 115ECh. A.7 - Prob. 1CPCh. A.7 - Prob. 2CPCh. A.7 - Prob. 3CPCh. A.7 - Prob. 4CPCh. A.7 - Prob. 5CPCh. A.7 - Prob. 6CPCh. A.7 - Prob. 1ECh. A.7 - Prob. 2ECh. A.7 - Prob. 3ECh. A.7 - Prob. 4ECh. A.7 - Prob. 5ECh. A.7 - Prob. 6ECh. A.7 - Prob. 7ECh. A.7 - Prob. 8ECh. A.7 - Prob. 9ECh. A.7 - Prob. 10ECh. A.7 - Prob. 11ECh. A.7 - Prob. 12ECh. A.7 - Prob. 13ECh. A.7 - Prob. 14ECh. A.7 - Prob. 15ECh. A.7 - Prob. 16ECh. A.7 - Prob. 17ECh. A.7 - Prob. 18ECh. A.7 - Prob. 19ECh. A.7 - Prob. 20ECh. A.7 - Prob. 21ECh. A.7 - Prob. 22ECh. A.7 - Prob. 23ECh. A.7 - Prob. 24ECh. A.7 - Prob. 25ECh. A.7 - Prob. 26ECh. A.7 - Prob. 27ECh. A.7 - Prob. 28ECh. A.7 - Prob. 29ECh. A.7 - Prob. 30ECh. A.7 - Prob. 31ECh. A.7 - Prob. 32ECh. A.7 - Prob. 33ECh. A.7 - Prob. 34ECh. A.7 - Prob. 35ECh. A.7 - Prob. 36ECh. A.7 - Prob. 37ECh. A.7 - Prob. 38ECh. A.7 - Prob. 39ECh. A.7 - Prob. 40ECh. A.7 - Prob. 41ECh. A.7 - Prob. 42ECh. A.7 - Prob. 43ECh. A.7 - Prob. 44ECh. A.7 - Prob. 45ECh. A.7 - Prob. 46ECh. A.7 - Prob. 47ECh. A.7 - Prob. 48ECh. A.7 - Prob. 49ECh. A.7 - Prob. 50ECh. A.7 - Prob. 51ECh. A.7 - Prob. 52ECh. A.7 - Prob. 53ECh. A.7 - Prob. 54ECh. A.7 - Prob. 55ECh. A.7 - Prob. 56ECh. A.7 - Prob. 57ECh. A.7 - Simplifying an Expression In Exercises 47-58,...Ch. A.7 - Prob. 59ECh. A.7 - Prob. 60ECh. A.7 - Prob. 61ECh. A.7 - Prob. 62E
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- 20. Find the general solution to the differential equation y(4) − 8y′′ + 16y = 0A. y = c1e^2x + c2e^−2xB. y = c1xe^2x + c2xe^−2xC. y = c1e^2x + c2e^−2x + c3xe^2x + c4xe^−2xD. y = c1xe^2x + c2xe^−2x + c3x^2e^2x + c4x^2e^−2xE. y = c1 cos 2x + c2 sin 2x + c3x cos 2x + c4x sin 2xarrow_forward9. A 1 kg mass is attached to a spring with constant 13 N/m. The system is immersed in amedium which offers a damping force numerically equal to 6 times the instantaneous velocity.If x is the displacement of the mass from equilibrium, measured in meters,then x′′ + 6x′ + 13x = 0 . Which of the following statements is true?A. x(t) = c1e^−t + c2e^−5t, and the system is underdamped.B. x(t) = c1e^−t + c2e^−5t, and the system is overdamped.C. x(t) = c1e^−3t cos(2t) + c2e^−3t sin(2t), and the system is underdamped.D. x(t) = c1e^−3t cos(2t) + c2e^−3t sin(2t), and the system is overdamped.arrow_forwardQuestion 2 (A partial differential equation). The diffusion equation де Ət = 82 с მx2 where D is a positive constant, describes the diffusion of heat through a solid, or the concentration of a pollutant at time t at a distance x from the source of the pollution, or the invasion of alien species into a new habitat. Verify that the function c(x, t) -x²/(4Dt) = √4πDt is a solution of the diffusion equation.arrow_forward
- 13. Let y(x) be the solution to the initial value problem y′′ − 10y′ + 25y = 0, y(0) = 1, y′(0) = 3.Then y(1) = ? A. −e^5 B. 1 C. e^5 D. 4/5 e^5 + 1/5 e^−5 E. e^−5arrow_forwardQuestion 1 (Implicit differentiation). Use implicit differentiation to find Əz/Əx and Əz/ǝy. (a) x²+2y²+3z² 1 (b) ez = xyz (c) x2. y²+ z² − 2z = 4 (d) yz+xln(y) = z²arrow_forward4. The general solution of the differential equation y′′ + 2y′ + 5y = 0 isA. c1 + c2x B. c1 cos 2x + c2 sin 2x C. c1e^x cos 2x + c2e^x sin 2xD. c1e^−x cos 2x + c2e^−x sin 2x E. None of these.arrow_forward
- 3. The general solution of the differential equation y′′ + 2y′ + y = 0 isA. c1e^−x + c2e^−x B. c1e^−x + c2e^x C. c1e^−x + c2xe^−xD. c1 cos x + c2 sin x E. c1e^−xarrow_forward1. A solution to the differential equation y′′ + 4y′ + 13y = 0 isA. y(t) = e^2t cos 3t B. y(t) = te^2t cos 3t C. y(t) = e^−2t sin 3t D. None of thesearrow_forward2. The appropriate guess for the particular solution to the differential equationy′′ + 3y′ + 2y = 2x + 3e^−x isA. A + Bx + Ce^−x B. A + Bx + Cxe^−x C. Ax + Bx^2 + Ce−^x D. Ax + Bx^2 + Cxe^−xarrow_forward
- 23. Network Analysis The figure shows the flow of traffic (in vehicles per hour) through a network of streets. 200 100- -100 200 (a) Solve this system for i = 1, 2, 3, 4. (b) Find the traffic flow when x = 0. (c) Find the traffic flow when x = 100. (d) Find the traffic flow when x, = 2x₂.arrow_forward2\int_{-3/2}^{3/2} \sqrt{4u^2+2} duarrow_forward2. Consider the following: Prove that x, x2, and 1/x are the solutions to the homogeneous equation corresponding to x³y"" + x²y" + 2xy' + 2y = 2x4. b. use variation of parameters to find a particular solution and complete the general solution to the differential equation. I am interested in process. You may use a computer for integration, finding determinants and doing Kramer's.arrow_forward
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