CALCULUS WITH APPLICATIONS
11th Edition
ISBN: 2818440028601
Author: Lial
Publisher: XX SUPPLY
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Chapter 5.1, Problem 24E
a.
To determine
To find: The critical numbers of the function
b.
To determine
To find: The open intervals where the function
c.
To determine
To find: The open intervals where the function
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Students have asked these similar questions
1. Abel's Theorem. The goal in this problem is to prove Abel's theorem by following a series of steps
(each step must be justified).
Theorem 0.1 (Abel's Theorem).
If y1 and y2 are solutions of the differential equation
y" + p(t) y′ + q(t) y = 0,
where p and q are continuous on an open interval, then the Wronskian is given by
W (¥1, v2)(t) = c exp(− [p(t) dt),
where C is a constant that does not depend on t. Moreover, either W (y1, y2)(t) = 0 for every t in I or
W (y1, y2)(t) = 0 for every t in I.
1. (a) From the two equations (which follow from the hypotheses),
show that
y" + p(t) y₁ + q(t) y₁ = 0 and y½ + p(t) y2 + q(t) y2 = 0,
2. (b) Observe that
Hence, conclude that
(YY2 - Y1 y2) + P(t) (y₁ Y2 - Y1 Y2) = 0.
W'(y1, y2)(t) = yY2 - Y1 y2-
W' + p(t) W = 0.
3. (c) Use the result from the previous step to complete the proof of the theorem.
2. Observations on the Wronskian. Suppose the functions y₁ and y2 are solutions to the differential
equation
p(x)y" + q(x)y' + r(x) y = 0
on an open interval I.
1. (a) Prove that if y₁ and y2 both vanish at the same point in I, then y₁ and y2 cannot form a
fundamental set of solutions.
2. (b) Prove that if y₁ and y2 both attain a maximum or minimum at the same point in I, then y₁ and
Y2 cannot form a fundamental set of solutions.
3. (c) show that the functions & and t² are linearly independent on the interval (−1, 1). Verify that
both are solutions to the differential equation
t² y″ – 2ty' + 2y = 0.
Then justify why this does not contradict Abel's theorem.
4. (d) What can you conclude about the possibility that t and t² are solutions to the differential
equation
y" + q(x) y′ + r(x)y = 0?
Question 4 Find an equation of
(a) The plane through the point (2, 0, 1) and perpendicular to the line x =
y=2-t, z=3+4t.
3t,
(b) The plane through the point (3, −2, 8) and parallel to the plane z = x+y.
(c) The plane that contains the line x = 1+t, y = 2 − t, z = 4 - 3t and is
parallel to the plane 5x + 2y + z = 1.
(d) The plane that passes through the point (1,2,3) and contains the line
x = 3t, y = 1+t, and z = 2-t.
(e) The plane that contains the lines L₁: x = 1 + t, y = 1 − t, z = 2t and
L2 : x = 2 − s, y = s, z = 2.
Chapter 5 Solutions
CALCULUS WITH APPLICATIONS
Ch. 5.1 - YOUR TURN 1 Find where the function is increasing...Ch. 5.1 - Prob. 2YTCh. 5.1 - Prob. 3YTCh. 5.1 - Prob. 4YTCh. 5.1 - Prob. 1WECh. 5.1 - Prob. 2WECh. 5.1 - Prob. 3WECh. 5.1 - Prob. 4WECh. 5.1 - Find the derivative of each of the following...Ch. 5.1 - Prob. 6WE
Ch. 5.1 - Prob. 7WECh. 5.1 - Prob. 8WECh. 5.1 - Prob. 1ECh. 5.1 - Prob. 2ECh. 5.1 - Prob. 3ECh. 5.1 - Prob. 4ECh. 5.1 - Prob. 5ECh. 5.1 - Prob. 6ECh. 5.1 - Prob. 7ECh. 5.1 - Prob. 8ECh. 5.1 - Prob. 9ECh. 5.1 - Prob. 10ECh. 5.1 - Prob. 11ECh. 5.1 - Prob. 12ECh. 5.1 - Prob. 13ECh. 5.1 - For each function, find (a) the critical numbers;...Ch. 5.1 - Prob. 15ECh. 5.1 - For each function, find (a) the critical numbers;...Ch. 5.1 - Prob. 17ECh. 5.1 - For each function, find (a) the critical numbers;...Ch. 5.1 - For each function, find (a) the critical numbers;...Ch. 5.1 - For each function, find (a) the critical numbers;...Ch. 5.1 - Prob. 21ECh. 5.1 - Prob. 22ECh. 5.1 - For each function, find (a) the critical numbers;...Ch. 5.1 - For each function, find (a) the critical numbers;...Ch. 5.1 - For each function, find (a) the critical numbers;...Ch. 5.1 - For each function, find (a) the critical numbers;...Ch. 5.1 - Prob. 27ECh. 5.1 - For each function, find (a) the critical numbers;...Ch. 5.1 - For each function, find (a) the critical numbers;...Ch. 5.1 - Prob. 30ECh. 5.1 - For each function, find (a) the critical numbers;...Ch. 5.1 - For each function, find (a) the critical numbers;...Ch. 5.1 - For each function, find (a) the critical numbers;...Ch. 5.1 - For each function, find (a) the critical numbers;...Ch. 5.1 - For each function, find (a) the critical numbers;...Ch. 5.1 - For each function, find (a) the critical numbers;...Ch. 5.1 - Prob. 37ECh. 5.1 - Prob. 38ECh. 5.1 - Prob. 39ECh. 5.1 - Prob. 40ECh. 5.1 - Prob. 41ECh. 5.1 - Prob. 42ECh. 5.1 - Prob. 43ECh. 5.1 - Prob. 44ECh. 5.1 - Prob. 45ECh. 5.1 - 46. Cost Suppose the total cost C(x) (in dollars)...Ch. 5.1 - Prob. 47ECh. 5.1 - Prob. 48ECh. 5.1 - Prob. 49ECh. 5.1 - 50. Unemployment The annual unemployment rates of...Ch. 5.1 - Prob. 51ECh. 5.1 - Prob. 52ECh. 5.1 - Prob. 53ECh. 5.1 - Prob. 54ECh. 5.1 - Prob. 55ECh. 5.1 - Prob. 56ECh. 5.1 - Prob. 57ECh. 5.1 - Prob. 58ECh. 5.1 - Prob. 59ECh. 5.1 - Prob. 60ECh. 5.1 - Prob. 61ECh. 5.1 - Prob. 62ECh. 5.2 - YOUR TURN 1 Identify the x-values of all points...Ch. 5.2 - Prob. 2YTCh. 5.2 - Prob. 3YTCh. 5.2 - Prob. 4YTCh. 5.2 - Prob. 5YTCh. 5.2 - Prob. 1WECh. 5.2 - Prob. 2WECh. 5.2 - Prob. 1ECh. 5.2 - Find the locations and values of all relative...Ch. 5.2 - Prob. 3ECh. 5.2 - Prob. 4ECh. 5.2 - Prob. 5ECh. 5.2 - Prob. 6ECh. 5.2 - Prob. 7ECh. 5.2 - Prob. 8ECh. 5.2 - For each of the exercises listed below, suppose...Ch. 5.2 - Prob. 10ECh. 5.2 - Prob. 11ECh. 5.2 - Prob. 12ECh. 5.2 - Prob. 13ECh. 5.2 - Find the x-value of all points where the functions...Ch. 5.2 - Prob. 15ECh. 5.2 - Prob. 16ECh. 5.2 - Prob. 17ECh. 5.2 - Prob. 18ECh. 5.2 - Find the x-value of all points where the functions...Ch. 5.2 - Find the x-value of all points where the functions...Ch. 5.2 - Prob. 21ECh. 5.2 - Prob. 22ECh. 5.2 - Find the x-value of all points where the functions...Ch. 5.2 - Find the x-value of all points where the functions...Ch. 5.2 - Find the x-value of all points where the functions...Ch. 5.2 - Find the x-value of all points where the functions...Ch. 5.2 - Prob. 27ECh. 5.2 - Prob. 28ECh. 5.2 - Prob. 29ECh. 5.2 - Prob. 30ECh. 5.2 - Prob. 31ECh. 5.2 - Find the x-value of all points where the functions...Ch. 5.2 - Find the x-value of all points where the functions...Ch. 5.2 - Find the x-value of all points where the functions...Ch. 5.2 - Prob. 35ECh. 5.2 - Prob. 36ECh. 5.2 - Prob. 37ECh. 5.2 - Prob. 38ECh. 5.2 - Prob. 39ECh. 5.2 - Prob. 40ECh. 5.2 - Prob. 41ECh. 5.2 - Prob. 42ECh. 5.2 - Prob. 43ECh. 5.2 - Prob. 44ECh. 5.2 - Profit In Exercises 43–46, find (a) the number, q,...Ch. 5.2 - Prob. 46ECh. 5.2 - Prob. 47ECh. 5.2 - Prob. 48ECh. 5.2 - Prob. 49ECh. 5.2 - 50. Revenue The demand equation for one type of...Ch. 5.2 - Prob. 51ECh. 5.2 - Prob. 52ECh. 5.2 - Prob. 53ECh. 5.2 - Prob. 54ECh. 5.2 - Prob. 55ECh. 5.2 - 56. Thermic Effect of Food As we saw in the last...Ch. 5.2 - Prob. 57ECh. 5.2 - Prob. 58ECh. 5.2 - Prob. 59ECh. 5.3 - YOUR TURN 1 Find f″(1) if f(x) = 5x4 − 4x3 + 3x.
Ch. 5.3 - Prob. 2YTCh. 5.3 - Prob. 3YTCh. 5.3 - Prob. 4YTCh. 5.3 - Prob. 5YTCh. 5.3 - Prob. 1WECh. 5.3 - Prob. 2WECh. 5.3 - Prob. 1ECh. 5.3 - Find f″(x) for each function. Then find f″(0) and...Ch. 5.3 - Prob. 3ECh. 5.3 - Prob. 4ECh. 5.3 - Prob. 5ECh. 5.3 - Prob. 6ECh. 5.3 - Prob. 7ECh. 5.3 - Find f″(x) for each function. Then find f″(0) and...Ch. 5.3 - Find f″(x) for each function. Then find f″(0) and...Ch. 5.3 - Prob. 10ECh. 5.3 - Find f″(x) for each function. Then find f″(0) and...Ch. 5.3 - Prob. 12ECh. 5.3 - Prob. 13ECh. 5.3 - Prob. 14ECh. 5.3 - Prob. 15ECh. 5.3 - Find f″(x) for each function. Then find f″(0) and...Ch. 5.3 - Prob. 17ECh. 5.3 - Find f‴ (x), the third derivative of f, and...Ch. 5.3 - Prob. 19ECh. 5.3 - Find f‴ (x), the third derivative of f, and...Ch. 5.3 - Prob. 21ECh. 5.3 - Find f‴ (x), the third derivative of f, and...Ch. 5.3 - Prob. 23ECh. 5.3 - Prob. 24ECh. 5.3 - Prob. 25ECh. 5.3 - Prob. 26ECh. 5.3 - Prob. 27ECh. 5.3 - Prob. 28ECh. 5.3 - Prob. 29ECh. 5.3 - In Exercises 29–50, find the open intervals where...Ch. 5.3 - Prob. 31ECh. 5.3 - Prob. 32ECh. 5.3 - Prob. 33ECh. 5.3 - Prob. 34ECh. 5.3 - Prob. 35ECh. 5.3 - In Exercises 29–50, find the open intervals where...Ch. 5.3 - Prob. 37ECh. 5.3 - Prob. 38ECh. 5.3 - Prob. 39ECh. 5.3 - In Exercises 29–50, find the open intervals where...Ch. 5.3 - Prob. 41ECh. 5.3 - Prob. 42ECh. 5.3 - Prob. 43ECh. 5.3 - Prob. 44ECh. 5.3 - Prob. 45ECh. 5.3 - In Exercises 29–50, find the open intervals where...Ch. 5.3 - Prob. 47ECh. 5.3 - In Exercises 29–50, find the open intervals where...Ch. 5.3 - In Exercises 29–50, find the open intervals where...Ch. 5.3 - Prob. 50ECh. 5.3 - Prob. 51ECh. 5.3 - Prob. 52ECh. 5.3 - Prob. 53ECh. 5.3 - Prob. 54ECh. 5.3 - Prob. 55ECh. 5.3 - Prob. 56ECh. 5.3 - Prob. 57ECh. 5.3 - Prob. 58ECh. 5.3 - Prob. 59ECh. 5.3 - Prob. 60ECh. 5.3 - Prob. 61ECh. 5.3 - Find any critical numbers for f in Exercises 59–66...Ch. 5.3 - Prob. 63ECh. 5.3 - Prob. 64ECh. 5.3 - Prob. 65ECh. 5.3 - Find any critical numbers for f in Exercises 59–66...Ch. 5.3 - Prob. 67ECh. 5.3 - Prob. 68ECh. 5.3 - Prob. 69ECh. 5.3 - Prob. 70ECh. 5.3 - Prob. 71ECh. 5.3 - Prob. 72ECh. 5.3 - Prob. 73ECh. 5.3 - Prob. 74ECh. 5.3 - Prob. 75ECh. 5.3 - Prob. 76ECh. 5.3 - Prob. 77ECh. 5.3 - Prob. 78ECh. 5.3 - Prob. 79ECh. 5.3 - Prob. 80ECh. 5.3 - Prob. 81ECh. 5.3 - Prob. 82ECh. 5.3 - Prob. 83ECh. 5.3 - Prob. 84ECh. 5.3 - Prob. 85ECh. 5.3 - Prob. 86ECh. 5.3 - Prob. 87ECh. 5.3 - Prob. 88ECh. 5.3 - Prob. 89ECh. 5.3 - Prob. 90ECh. 5.3 - Prob. 91ECh. 5.3 - Prob. 92ECh. 5.3 - Prob. 93ECh. 5.3 - Prob. 94ECh. 5.3 - Prob. 95ECh. 5.3 - Prob. 96ECh. 5.4 - YOUR TURN 1 Graph f(x) = −x3 + 3x2 + 9x − 10.
Ch. 5.4 - Prob. 2YTCh. 5.4 - Prob. 3YTCh. 5.4 - Prob. 4YTCh. 5.4 - Prob. 1WECh. 5.4 - Prob. 2WECh. 5.4 - Prob. 1ECh. 5.4 - Prob. 2ECh. 5.4 - Graph each function, considering the domain,...Ch. 5.4 - Prob. 4ECh. 5.4 - Graph each function, considering the domain,...Ch. 5.4 - Graph each function, considering the domain,...Ch. 5.4 - Graph each function, considering the domain,...Ch. 5.4 - Prob. 8ECh. 5.4 - Prob. 9ECh. 5.4 - Graph each function, considering the domain,...Ch. 5.4 - Prob. 11ECh. 5.4 - Prob. 12ECh. 5.4 - Prob. 13ECh. 5.4 - Prob. 14ECh. 5.4 - Prob. 15ECh. 5.4 - Graph each function, considering the domain,...Ch. 5.4 - Prob. 17ECh. 5.4 - Prob. 18ECh. 5.4 - Prob. 19ECh. 5.4 - Prob. 20ECh. 5.4 - Prob. 21ECh. 5.4 - Graph each function, considering the domain,...Ch. 5.4 - Prob. 23ECh. 5.4 - Prob. 24ECh. 5.4 - Prob. 25ECh. 5.4 - Prob. 26ECh. 5.4 - Prob. 27ECh. 5.4 - Graph each function, considering the domain,...Ch. 5.4 - Prob. 29ECh. 5.4 - Graph each function, considering the domain,...Ch. 5.4 - Prob. 31ECh. 5.4 - Prob. 32ECh. 5.4 - Prob. 33ECh. 5.4 - Prob. 34ECh. 5.4 - Prob. 35ECh. 5.4 - In Exercises 35–39, sketch the graph of a single...Ch. 5.4 - Prob. 37ECh. 5.4 - Prob. 38ECh. 5.4 - Prob. 39ECh. 5 - Prob. 1RECh. 5 - Prob. 2RECh. 5 - Prob. 3RECh. 5 - Prob. 4RECh. 5 - Prob. 5RECh. 5 - Prob. 6RECh. 5 - Prob. 7RECh. 5 - Prob. 8RECh. 5 - Prob. 9RECh. 5 - Prob. 10RECh. 5 - Prob. 11RECh. 5 - Prob. 12RECh. 5 - Prob. 13RECh. 5 - Prob. 14RECh. 5 - Prob. 15RECh. 5 - Prob. 16RECh. 5 - Prob. 17RECh. 5 - Prob. 18RECh. 5 - Prob. 19RECh. 5 - Prob. 20RECh. 5 - Prob. 21RECh. 5 - Prob. 22RECh. 5 - Prob. 23RECh. 5 - Prob. 24RECh. 5 - Prob. 25RECh. 5 - Prob. 26RECh. 5 - Prob. 27RECh. 5 - Prob. 28RECh. 5 - Prob. 29RECh. 5 - Prob. 30RECh. 5 - Prob. 31RECh. 5 - Prob. 32RECh. 5 - Prob. 33RECh. 5 - Prob. 34RECh. 5 - Prob. 35RECh. 5 - Prob. 36RECh. 5 - Prob. 37RECh. 5 - Prob. 38RECh. 5 - Prob. 39RECh. 5 - Prob. 40RECh. 5 - Prob. 41RECh. 5 - Prob. 42RECh. 5 - Prob. 43RECh. 5 - Prob. 44RECh. 5 - Prob. 45RECh. 5 - Prob. 46RECh. 5 - Prob. 47RECh. 5 - Prob. 48RECh. 5 - Prob. 49RECh. 5 - Prob. 50RECh. 5 - Prob. 51RECh. 5 - Prob. 52RECh. 5 - Prob. 53RECh. 5 - Prob. 54RECh. 5 - Prob. 55RECh. 5 - Prob. 56RECh. 5 - Prob. 57RECh. 5 - Prob. 58RECh. 5 - Prob. 61RECh. 5 - Prob. 62RECh. 5 - Prob. 63RECh. 5 - Prob. 64RECh. 5 - Prob. 65RECh. 5 - Prob. 66RECh. 5 - Prob. 67RECh. 5 - Prob. 68RECh. 5 - Prob. 69RECh. 5 - Prob. 70RECh. 5 - Prob. 71RECh. 5 - Prob. 72RECh. 5 - Prob. 73RECh. 5 - Prob. 74RECh. 5 - Prob. 75RECh. 5 - Prob. 76RECh. 5 - Prob. 77RE
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