Given that A = {1, 2, 3, 4, 5} and B = {x, y, z}, determine which of the sets of ordered pairs represents a function from A to B. Explain the reason(s) why or why not for each i)  {(1, z), (2, x), (3, y), (2, x)} ii)  {(1, z), (3, y), (2, x), (4, x), (5, 5)} iii)  {(1, y), (2, y), (5, x), (3, y), (4, y)} Which of the following graphs represent y as a function of x? Explain the reason(s) why or why not for each ii)

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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Given that A = {1, 2, 3, 4, 5} and B = {x, y, z}, determine which of the sets of ordered pairs represents a function from A to B. Explain the reason(s) why or why not for each

  1. i)  {(1, z), (2, x), (3, y), (2, x)}

  2. ii)  {(1, z), (3, y), (2, x), (4, x), (5, 5)}

  3. iii)  {(1, y), (2, y), (5, x), (3, y), (4, y)}

Which of the following graphs represent y as a function
of x? Explain the reason(s) why or why not for each

ii)

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