Show {5, 10, 15, 20, - - ·} is countable. (Hint: Use the function f(n) and onto). = 5n and show it is 1-1
Show {5, 10, 15, 20, - - ·} is countable. (Hint: Use the function f(n) and onto). = 5n and show it is 1-1
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter3: Functions And Graphs
Section3.7: Operations On Functions
Problem 53E
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![4. Show {5, 10, 15, 20, · . ·} is countable. (Hint: Use the function f(n) = 5n and show it is 1-1
and onto).](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ffbb66fa7-7c22-4982-a22f-aaed542f65b3%2F6021b481-f04b-4553-8951-91c965717201%2Fzoy98u_processed.png&w=3840&q=75)
Transcribed Image Text:4. Show {5, 10, 15, 20, · . ·} is countable. (Hint: Use the function f(n) = 5n and show it is 1-1
and onto).
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