8. For each of the functions below, indicate whether the function is onto, one-to-one, neither or both. If the function is not onto or not one-to-one, give an example showing why. If the function is one-to-one and onto, give the inverse of the function. (a) f : {0,1}3 → {0, 1}³. The output of f is obtained by swapping the first and the last bits of x. For example f(110) : 011. (b) f : {0,1}4 → {0, 1}³. The output of f is obtained by replacing the last two bits with 0. For example f(1111) = 110. (c) f : {0,1}3 –→ {0, 1}4. The output of f is obtained by adding a 1 to the end of the string. For example f(100) = 1001.
8. For each of the functions below, indicate whether the function is onto, one-to-one, neither or both. If the function is not onto or not one-to-one, give an example showing why. If the function is one-to-one and onto, give the inverse of the function. (a) f : {0,1}3 → {0, 1}³. The output of f is obtained by swapping the first and the last bits of x. For example f(110) : 011. (b) f : {0,1}4 → {0, 1}³. The output of f is obtained by replacing the last two bits with 0. For example f(1111) = 110. (c) f : {0,1}3 –→ {0, 1}4. The output of f is obtained by adding a 1 to the end of the string. For example f(100) = 1001.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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![8. For each of the functions below, indicate whether the function is onto, one-to-one,
neither or both. If the function is not onto or not one-to-one, give an example showing
why. If the function is one-to-one and onto, give the inverse of the function.
(a) f : {0,1}³ → {0,1}³. The output of f is obtained by swapping the first and the
last bits of x. For example f(110) = 011.
(b) ƒ : {0,1}ª → {0, 1}³. The output of f is obtained by replacing the last two bits
with 0. For example f(1111) =110.
(c) f : {0,1}³ –→ {0, 1}4. The output of f is obtained by adding a 1 to the end of the
string. For example f(100) = 1001.
(d) X = {a, b, c, d}. f : P(X) → P(X). For A C X, f(A) = An{a, b, c}.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe5f558a7-14fc-4024-84d6-4debb1adc6f6%2F89059151-8fdc-410a-aa36-da203723da81%2F5t2i6fs_processed.jpeg&w=3840&q=75)
Transcribed Image Text:8. For each of the functions below, indicate whether the function is onto, one-to-one,
neither or both. If the function is not onto or not one-to-one, give an example showing
why. If the function is one-to-one and onto, give the inverse of the function.
(a) f : {0,1}³ → {0,1}³. The output of f is obtained by swapping the first and the
last bits of x. For example f(110) = 011.
(b) ƒ : {0,1}ª → {0, 1}³. The output of f is obtained by replacing the last two bits
with 0. For example f(1111) =110.
(c) f : {0,1}³ –→ {0, 1}4. The output of f is obtained by adding a 1 to the end of the
string. For example f(100) = 1001.
(d) X = {a, b, c, d}. f : P(X) → P(X). For A C X, f(A) = An{a, b, c}.
![(e) X = {a, b, c, d}. f : P(X) → {0,1, 2, 3, 4, 5}. For A C X, f(A) = |A|.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe5f558a7-14fc-4024-84d6-4debb1adc6f6%2F89059151-8fdc-410a-aa36-da203723da81%2Fgpwed7q_processed.jpeg&w=3840&q=75)
Transcribed Image Text:(e) X = {a, b, c, d}. f : P(X) → {0,1, 2, 3, 4, 5}. For A C X, f(A) = |A|.
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