51. Let L, W, and P denote the length, width, and perimeter of a rectangle, respectively, and suppose that the length of the rectangle is twice the width. a. Express L as a function of W. b. Express P as a function of L. c. Express P as a function of W. 52. The following table shows the predictions of high and low pressures in kilopascals in 5 succeeding hours. a. Is y a function of x? If so, give the domain and range of this function. b. If x and y denote low and high pressures, respectively, is y a function of x? If so, give the domain and range of this function.
51. Let L, W, and P denote the length, width, and perimeter of a rectangle, respectively, and suppose that the length of the rectangle is twice the width. a. Express L as a function of W. b. Express P as a function of L. c. Express P as a function of W. 52. The following table shows the predictions of high and low pressures in kilopascals in 5 succeeding hours. a. Is y a function of x? If so, give the domain and range of this function. b. If x and y denote low and high pressures, respectively, is y a function of x? If so, give the domain and range of this function.
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
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Related questions
Question
Answer all odd numbers
![51. Let L, W, and P denote the length, width, and
perimeter of a rectangle, respectively, and suppose
that the length of the rectangle is twice the width.
a. Express L as a function of W.
b. Express P as a function of L.
c. Express P as a function of W.
52. The following table shows the predictions of high and
low pressures in kilopascals in 5 succeeding hours.
a. Is y a function of x? If so, give the domain and
range of this function.
b. Ifx and y denote low and high pressures,
respectively, is y a function of x? If so, give the
domain and range of this function.
High
112
106
98
105
110
(x)
Low
78
84
72
75
78
(v)
53. Let A = {ne Zn is even}. Is A closed under addition
and multiplication?
54. Let B = {neZn is odd}. Is A closed under addition
and multiplication?
55. A binary operation * on a set S is commutative if
a*b = a*b for all a,be S. Define * on the set of real
numbers R as a*b = ab + 1. Is * commutative? If no,
find a counter example.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F32c612b5-8099-47f5-8cb7-055e096fc6e7%2F9df0ac53-8489-4608-b93f-2e891e2b1356%2Frjwmdhn_processed.jpeg&w=3840&q=75)
Transcribed Image Text:51. Let L, W, and P denote the length, width, and
perimeter of a rectangle, respectively, and suppose
that the length of the rectangle is twice the width.
a. Express L as a function of W.
b. Express P as a function of L.
c. Express P as a function of W.
52. The following table shows the predictions of high and
low pressures in kilopascals in 5 succeeding hours.
a. Is y a function of x? If so, give the domain and
range of this function.
b. Ifx and y denote low and high pressures,
respectively, is y a function of x? If so, give the
domain and range of this function.
High
112
106
98
105
110
(x)
Low
78
84
72
75
78
(v)
53. Let A = {ne Zn is even}. Is A closed under addition
and multiplication?
54. Let B = {neZn is odd}. Is A closed under addition
and multiplication?
55. A binary operation * on a set S is commutative if
a*b = a*b for all a,be S. Define * on the set of real
numbers R as a*b = ab + 1. Is * commutative? If no,
find a counter example.
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