
Trigonometry (11th Edition)
11th Edition
ISBN: 9780134217437
Author: Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher: PEARSON
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Textbook Question
Chapter C, Problem 1E
Decide whether each relation defines a
{(5, 1), (3, 2), (4, 9), (7, 8)}
Expert Solution & Answer

To determine
Whether the given relation
Answer to Problem 1E
Solution: The given relation is a function.
Explanation of Solution
Given: The relation
A function is defined as a relation in which for each distinct value of the first component, there is exactly one value of the second component.
Consider the relation
The set of distinct values of the first component is
Each element of this set is paired with exactly one value of the second component.
This correspondence is as follows:
Therefore, the relation is a function.
Hence, the relation is a function.
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Chapter C Solutions
Trigonometry (11th Edition)
Ch. C - Decide whether each relation defines a function....Ch. C - Prob. 2ECh. C - Decide whether each relation defines a function....Ch. C - Decide whether each relation defines a function....Ch. C - Prob. 5ECh. C - Decide whether each relation defines a function....Ch. C - Prob. 7ECh. C - Prob. 8ECh. C - Prob. 9ECh. C - Prob. 10E
Ch. C - Decide whether each relation defines a function,...Ch. C - Prob. 12ECh. C - Prob. 13ECh. C - Prob. 14ECh. C - Prob. 15ECh. C - Prob. 16ECh. C - Prob. 17ECh. C - Prob. 18ECh. C - Prob. 19ECh. C - Prob. 20ECh. C - Prob. 21ECh. C - Prob. 22ECh. C - Prob. 23ECh. C - Prob. 24ECh. C - Prob. 25ECh. C - Prob. 26ECh. C - Prob. 27ECh. C - Prob. 28ECh. C - Prob. 29ECh. C - Prob. 30ECh. C - Prob. 31ECh. C - Prob. 32ECh. C - Prob. 33ECh. C - Concept Check Give an example of a function from...Ch. C - Prob. 35ECh. C - Prob. 36ECh. C - Let f(x) = 3x + 4 and g(x) = x2 + 4x + 1. Find...Ch. C - Prob. 38ECh. C - Prob. 39ECh. C - Let f(x) = −3x + 4 and g(x) = −x2 + 4x + 1. Find...Ch. C - Prob. 41ECh. C - Prob. 42ECh. C - Prob. 43ECh. C - Prob. 44ECh. C - Prob. 45ECh. C - Prob. 46ECh. C - Prob. 47ECh. C - Prob. 48ECh. C - Prob. 49ECh. C - Prob. 50ECh. C - Prob. 51ECh. C - Prob. 52ECh. C - Prob. 53ECh. C - Prob. 54ECh. C - For each function, find (a) f(2) and (b) f(1). See...Ch. C - For each function, find (a) f(2) and (b) f(−1)....Ch. C - Prob. 57ECh. C - Prob. 58ECh. C - Prob. 59ECh. C - Prob. 60ECh. C - Prob. 61ECh. C - Prob. 62ECh. C - Prob. 63ECh. C - Prob. 64ECh. C - Determine the largest open intervals of the domain...Ch. C - Determine the largest open intervals of the domain...
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What is a Relation? | Don't Memorise; Author: Don't Memorise;https://www.youtube.com/watch?v=hV1_wvsdJCE;License: Standard YouTube License, CC-BY
RELATIONS-DOMAIN, RANGE AND CO-DOMAIN (RELATIONS AND FUNCTIONS CBSE/ ISC MATHS); Author: Neha Agrawal Mathematically Inclined;https://www.youtube.com/watch?v=u4IQh46VoU4;License: Standard YouTube License, CC-BY