1. Consider the function | ƒ : Z → Z+, f(n) = { 2n 1 2n if n > 0, if n≤0. Show that f is a bijection by showing (from the definitions) that f is injective and surjective.
1. Consider the function | ƒ : Z → Z+, f(n) = { 2n 1 2n if n > 0, if n≤0. Show that f is a bijection by showing (from the definitions) that f is injective and surjective.
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter5: Inverse, Exponential, And Logarithmic Functions
Section5.2: Exponential Functions
Problem 11E
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![1. Consider the function
| ƒ : Z → Z+, f(n) = {
2n
1 2n
if n > 0,
if n≤0.
Show that f is a bijection by showing (from the definitions) that f is injective and surjective.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F322742eb-4a31-4e3c-832a-7268262542b0%2F7d294571-e798-45b3-8b3a-0cb53d405c9d%2Ffmxv25g_processed.png&w=3840&q=75)
Transcribed Image Text:1. Consider the function
| ƒ : Z → Z+, f(n) = {
2n
1 2n
if n > 0,
if n≤0.
Show that f is a bijection by showing (from the definitions) that f is injective and surjective.
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